/*
  knockback-core-stack.js 0.19.4
  Copyright (c)  2011-2014 Kevin Malakoff.
  License: MIT (http://www.opensource.org/licenses/mit-license.php)
  Source: https://github.com/kmalakoff/knockback
  Dependencies: Knockout.js, Backbone.js, and Underscore.js (or LoDash.js).
  Optional dependencies: Backbone.ModelRef.js and BackboneORM.
*/
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this.__kb_released=!0,n=s.utils.wrappedObservable(this),t=s.peek(this._collection),t&&(t.unbind("all",this._onCollectionChange),e=s.peek(n),e.splice(0,e.length)),this.collection.dispose(),this._collection=n.collection=this.collection=null,this._mapper.dispose(),this._mapper=null,s.release(this._filters),this._filters=null,this._comparator(null),this._comparator=null,this.create_options=null,n.collection=null,s.utils.wrappedDestroy(this),!s.statistics||s.statistics.unregister("CollectionObservable",this)},e.prototype.shareOptions=function(){var e;return e=s.utils.wrappedObservable(this),{store:s.utils.wrappedStore(e),factory:s.utils.wrappedFactory(e)}},e.prototype.filters=function(e){return e?this._filters(l.isArray(e)?e:[e]):this._filters([])},e.prototype.comparator=function(e){return this._comparator(e)},e.prototype.sortAttribute=function(e){return this._comparator(e?this._attributeComparator(e):null)},e.prototype.viewModelByModel=function(e){var t;return this.models_only?null:(t=e.hasOwnProperty(e.idAttribute)?e.idAttribute:"cid",l.find(s.peek(s.utils.wrappedObservable(this)),function(n){var r;return(null!=n?null!=(r=n.__kb)?r.object:void 0:void 0)?n.__kb.object[t]===e[t]:!1}))},e.prototype.hasViewModels=function(){return!this.models_only},e.prototype.compact=function(){return s.ignore(function(e){return function(){var t;return t=s.utils.wrappedObservable(e),s.utils.wrappedStoreIsOwned(t)?(s.utils.wrappedStore(t).clear(),e._collection.notifySubscribers(e._collection())):void 0}}(this))},e.prototype._shareOrCreateFactory=function(e){var t,n,r,i;if(t=s.utils.pathJoin(e.path,"models"),r=e.factories,(i=e.factory)&&(n=i.creatorForPath(null,t))&&(!r||r.models===n)){if(!r)return i;if(i.hasPathMappings(r,e.path))return i}return i=new s.Factory(e.factory),r&&i.addPathMappings(r,e.path),i.creatorForPath(null,t)||(e.hasOwnProperty("models_only")?e.models_only?i.addPathMapping(t,{models_only:!0}):i.addPathMapping(t,s.ViewModel):e.view_model?i.addPathMapping(t,e.view_model):e.create?i.addPathMapping(t,{create:e.create}):i.addPathMapping(t,s.ViewModel)),i},e.prototype._onCollectionChange=function(e,t){return s.ignore(function(n){return function(){var 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t(s.utils.wrappedModel(e),s.utils.wrappedModel(n))}},e.prototype._createViewModel=function(e){return this.models_only?e:this.create_options.store.findOrCreate(e,this.create_options)},e.prototype._selectModel=function(e){var t,n,r,i,o;for(n=s.peek(this._filters),r=0,i=n.length;i>r;r++)if(t=n[r],t=s.peek(t),l.isFunction(t)){if(!t(e))return!1}else if(l.isArray(t)){if(o=e.id,d.call(t,o)<0)return!1}else if(e.id!==t)return!1;return!0},e}(),s.collectionObservable=function(e,t){return new s.CollectionObservable(e,t)}},function(e,t,n){var r,i,o,a,s,u,l;l=i=n(6),u=l._,a=l.ko,r={"default":null,"backbone-orm":null,"backbone-associations":n(16),"backbone-relational":n(17),supermodel:n(18)},i.orm=r["default"];for(o in r)if(s=r[o],s&&s.isAvailable()){i.orm=s;break}e.exports=function(e){var t;null==e&&(e={});for(o in e)switch(s=e[o],o){case"orm":if(u.isString(s)){if(!r.hasOwnProperty(s)){console.log("Knockback configure: could not find orm: "+s+". Available: "+u.keys(r).join(", "));continue}if((t=r[s])&&!t.isAvailable()){console.log("Knockback configure: could not enable orm "+s+". 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this.emitter(null),this.__kb.callbacks=null,r.utils.wrappedDestroy(this)},e.prototype.emitter=function(e){return 0===arguments.length||this.ee===e?this.ee:(this.model_ref&&(this.model_ref.unbind("loaded",this._onModelLoaded),this.model_ref.unbind("unloaded",this._onModelUnloaded),this.model_ref.release(),this.model_ref=null),r.Backbone&&r.Backbone.ModelRef&&e instanceof r.Backbone.ModelRef?(this.model_ref=e,this.model_ref.retain(),this.model_ref.bind("loaded",this._onModelLoaded),this.model_ref.bind("unloaded",this._onModelUnloaded),e=this.model_ref.model()||null):delete this.model_ref,this.ee!==e&&(e?this._onModelLoaded(e):this._onModelUnloaded(this.ee)),e)},e.prototype.registerCallbacks=function(e,t){var n,a,s,u,l,c;for(e||r._throwMissing(this,"obj"),t||r._throwMissing(this,"callback_info"),a=t.event_selector?t.event_selector.split(" "):["change"],s=this.ee,u=function(n){return function(a){var 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this.paths.hasOwnProperty(e)||this.parent_factory&&this.parent_factory.hasPath(e)},e.prototype.addPathMapping=function(e,t){return this.paths[e]=t},e.prototype.addPathMappings=function(e,t){var n,i;for(i in e)n=e[i],this.paths[r.utils.pathJoin(t,i)]=n},e.prototype.hasPathMappings=function(e,t){var n,i,o,a;n=!0;for(a in e)i=e[a],n&=(o=this.creatorForPath(null,r.utils.pathJoin(t,a)))&&i===o;return n},e.prototype.creatorForPath=function(e,t){var n;return(n=this.paths[t])?n.view_model?n.view_model:n:this.parent_factory&&(n=this.parent_factory.creatorForPath(e,t))?n:null},e}()},function(e,t,n){(function(e){var t,r,i,o,a,s,u,l;a=null!=a?a:e,l=r=n(6),s=l._,i=l.ko,t=l.$,r.RECUSIVE_AUTO_INJECT=!0,i.bindingHandlers.inject={init:function(e,t,n,o){return r.Inject.inject(i.utils.unwrapObservable(t()),o,e,t,n)}},r.Inject=function(){function e(){}return e.inject=function(e,t,n,i,o,a){var u;return u=function(e){var u,l,c;if(s.isFunction(e))t=new 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e.key}):null},e.relationType=function(e,t){var n;return e instanceof r?(n=s.find(e.relations,function(e){return e.key===t}))?"Many"===n.type?a.TYPE_COLLECTION:a.TYPE_MODEL:null:null},e}()},function(e,t,n){var r,i,o,a,s,u;u=a=n(6),s=u._,r=u.Backbone,o=null,e.exports=i=function(){function e(){}return e.isAvailable=function(){return!!(o=null!=r?r.RelationalModel:void 0)},e.relationType=function(e,t){var n;return e instanceof o?(n=s.find(e.getRelations(),function(e){return e.key===t}))?n.collectionType||s.isArray(n.keyContents)?a.TYPE_COLLECTION:a.TYPE_MODEL:null:null},e.bind=function(e,t,n,r){var i,o,s,u,l,c;if(!(u=this.relationType(e,t)))return null;if(s=function(e){return!a.statistics||a.statistics.addModelEvent({name:"update (relational)",model:e,key:t,path:r}),n()},o=a.Backbone.Relation.prototype.sanitizeOptions?["update","add","remove"]:["change","add","remove"],u===a.TYPE_COLLECTION)for(l=0,c=o.length;c>l;l++)i=o[l],e.bind(""+i+":"+t,s);else e.bind(""+o[0]+":"+t,s);return function(){var n,r;if(u===a.TYPE_COLLECTION)for(n=0,r=o.length;r>n;n++)i=o[n],e.unbind(""+i+":"+t,s);else e.unbind(""+o[0]+":"+t,s)}},e}()},function(e,t,n){(function(t){var r,i,o,a;o="undefined"!=typeof window&&null!==window?window:t,a=(i=n(6))._,r=null,e.exports=r=function(){function e(){}return e.isAvailable=function(){return!!(e=o.Supermodel)},e.keys=function(t){return t instanceof e.Model?a.keys(t.constructor.associations()):null},e.relationType=function(t,n){var r;return t instanceof e.Model?(r=t.constructor.associations()[n])?r.add?i.TYPE_COLLECTION:i.TYPE_MODEL:null:null},e.bind=function(e,t,n,r){var o,a;return(a=this.relationType(e,t))?(o=function(e,o){var a,s;return!i.statistics||i.statistics.addModelEvent({name:"update (supermodel)",model:e,key:t,path:r}),s=e.constructor.associations()[t],a=e[s.store],e[s.store]=o,n(o),e[s.store]=a},a===i.TYPE_MODEL?(e.bind("associate:"+t,o),function(){return e.unbind("associate:"+t,o)}):void 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n,r=-1,i=e.length,o=t[0],a=t[1],s=t[2];switch(t.length){case 0:for(;++r<i;)(n=e[r]).callback.call(n.ctx);return;case 1:for(;++r<i;)(n=e[r]).callback.call(n.ctx,o);return;case 2:for(;++r<i;)(n=e[r]).callback.call(n.ctx,o,a);return;case 3:for(;++r<i;)(n=e[r]).callback.call(n.ctx,o,a,s);return;default:for(;++r<i;)(n=e[r]).callback.apply(n.ctx,t);return}},f={listenTo:"on",listenToOnce:"once"};n.each(f,function(e,t){s[t]=function(t,r,i){var o=this._listeningTo||(this._listeningTo={}),a=t._listenId||(t._listenId=n.uniqueId("l"));return o[a]=t,i||"object"!=typeof r||(i=this),t[e](r,i,this),this}}),s.bind=s.on,s.unbind=s.off,n.extend(t,s);var d=t.Model=function(e,t){var r=e||{};t||(t={}),this.cid=n.uniqueId("c"),this.attributes={},t.collection&&(this.collection=t.collection),t.parse&&(r=this.parse(r,t)||{}),r=n.defaults({},r,n.result(this,"defaults")),this.set(r,t),this.changed={},this.initialize.apply(this,arguments)};n.extend(d.prototype,s,{changed:null,validationError:null,idAttribute:"id",initialize:function(){},toJSON:function(){return n.clone(this.attributes)},sync:function(){return t.sync.apply(this,arguments)},get:function(e){return this.attributes[e]},escape:function(e){return n.escape(this.get(e))},has:function(e){return null!=this.get(e)},set:function(e,t,r){var i,o,a,s,u,l,c,f;if(null==e)return this;if("object"==typeof e?(o=e,r=t):(o={})[e]=t,r||(r={}),!this._validate(o,r))return!1;a=r.unset,u=r.silent,s=[],l=this._changing,this._changing=!0,l||(this._previousAttributes=n.clone(this.attributes),this.changed={}),f=this.attributes,c=this._previousAttributes,this.idAttribute in o&&(this.id=o[this.idAttribute]);for(i in o)t=o[i],n.isEqual(f[i],t)||s.push(i),n.isEqual(c[i],t)?delete this.changed[i]:this.changed[i]=t,a?delete f[i]:f[i]=t;if(!u){s.length&&(this._pending=r);for(var d=0,p=s.length;p>d;d++)this.trigger("change:"+s[d],this,f[s[d]],r)}if(l)return this;if(!u)for(;this._pending;)r=this._pending,this._pending=!1,this.trigger("change",this,r);return this._pending=!1,this._changing=!1,this},unset:function(e,t){return this.set(e,void 0,n.extend({},t,{unset:!0}))},clear:function(e){var t={};for(var r in this.attributes)t[r]=void 0;return this.set(t,n.extend({},e,{unset:!0}))},hasChanged:function(e){return null==e?!n.isEmpty(this.changed):n.has(this.changed,e)},changedAttributes:function(e){if(!e)return this.hasChanged()?n.clone(this.changed):!1;var t,r=!1,i=this._changing?this._previousAttributes:this.attributes;for(var o in e)n.isEqual(i[o],t=e[o])||((r||(r={}))[o]=t);return r},previous:function(e){return null!=e&&this._previousAttributes?this._previousAttributes[e]:null},previousAttributes:function(){return n.clone(this._previousAttributes)},fetch:function(e){e=e?n.clone(e):{},void 0===e.parse&&(e.parse=!0);var t=this,r=e.success;return e.success=function(n){return t.set(t.parse(n,e),e)?(r&&r(t,n,e),t.trigger("sync",t,n,e),void 0):!1},F(this,e),this.sync("read",this,e)},save:function(e,t,r){var i,o,a,s=this.attributes;if(null==e||"object"==typeof e?(i=e,r=t):(i={})[e]=t,r=n.extend({validate:!0},r),i&&!r.wait){if(!this.set(i,r))return!1}else if(!this._validate(i,r))return!1;i&&r.wait&&(this.attributes=n.extend({},s,i)),void 0===r.parse&&(r.parse=!0);var u=this,l=r.success;return r.success=function(e){u.attributes=s;var t=u.parse(e,r);return r.wait&&(t=n.extend(i||{},t)),n.isObject(t)&&!u.set(t,r)?!1:(l&&l(u,e,r),u.trigger("sync",u,e,r),void 0)},F(this,r),o=this.isNew()?"create":r.patch?"patch":"update","patch"===o&&(r.attrs=i),a=this.sync(o,this,r),i&&r.wait&&(this.attributes=s),a},destroy:function(e){e=e?n.clone(e):{};var t=this,r=e.success,i=function(){t.trigger("destroy",t,t.collection,e)};if(e.success=function(n){(e.wait||t.isNew())&&i(),r&&r(t,n,e),t.isNew()||t.trigger("sync",t,n,e)},this.isNew())return e.success(),!1;F(this,e);var o=this.sync("delete",this,e);return e.wait||i(),o},url:function(){var e=n.result(this,"urlRoot")||n.result(this.collection,"url")||P();return this.isNew()?e:e.replace(/([^\/])$/,"$1/")+encodeURIComponent(this.id)},parse:function(e){return e},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(e){return this._validate({},n.extend(e||{},{validate:!0}))},_validate:function(e,t){if(!t.validate||!this.validate)return!0;e=n.extend({},this.attributes,e);var r=this.validationError=this.validate(e,t)||null;return r?(this.trigger("invalid",this,r,n.extend(t,{validationError:r})),!1):!0}});var p=["keys","values","pairs","invert","pick","omit"];n.each(p,function(e){d.prototype[e]=function(){var t=a.call(arguments);return t.unshift(this.attributes),n[e].apply(n,t)}});var h=t.Collection=function(e,t){t||(t={}),t.model&&(this.model=t.model),void 0!==t.comparator&&(this.comparator=t.comparator),this._reset(),this.initialize.apply(this,arguments),e&&this.reset(e,n.extend({silent:!0},t))},m={add:!0,remove:!0,merge:!0},v={add:!0,remove:!1};n.extend(h.prototype,s,{model:d,initialize:function(){},toJSON:function(e){return this.map(function(t){return t.toJSON(e)})},sync:function(){return t.sync.apply(this,arguments)},add:function(e,t){return this.set(e,n.extend({merge:!1},t,v))},remove:function(e,t){var r=!n.isArray(e);e=r?[e]:n.clone(e),t||(t={});var i,o,a,s;for(i=0,o=e.length;o>i;i++)s=e[i]=this.get(e[i]),s&&(delete this._byId[s.id],delete this._byId[s.cid],a=this.indexOf(s),this.models.splice(a,1),this.length--,t.silent||(t.index=a,s.trigger("remove",s,this,t)),this._removeReference(s,t));return r?e[0]:e},set:function(e,t){t=n.defaults({},t,m),t.parse&&(e=this.parse(e,t));var r=!n.isArray(e);e=r?e?[e]:[]:n.clone(e);var i,o,a,s,u,l,c,f=t.at,p=this.model,h=this.comparator&&null==f&&t.sort!==!1,v=n.isString(this.comparator)?this.comparator:null,b=[],g=[],y={},_=t.add,w=t.merge,x=t.remove,k=!h&&_&&x?[]:!1;for(i=0,o=e.length;o>i;i++){if(u=e[i]||{},a=u instanceof d?s=u:u[p.prototype.idAttribute||"id"],l=this.get(a))x&&(y[l.cid]=!0),w&&(u=u===s?s.attributes:u,t.parse&&(u=l.parse(u,t)),l.set(u,t),h&&!c&&l.hasChanged(v)&&(c=!0)),e[i]=l;else if(_){if(s=e[i]=this._prepareModel(u,t),!s)continue;b.push(s),this._addReference(s,t)}s=l||s,!k||!s.isNew()&&y[s.id]||k.push(s),y[s.id]=!0}if(x){for(i=0,o=this.length;o>i;++i)y[(s=this.models[i]).cid]||g.push(s);g.length&&this.remove(g,t)}if(b.length||k&&k.length)if(h&&(c=!0),this.length+=b.length,null!=f)for(i=0,o=b.length;o>i;i++)this.models.splice(f+i,0,b[i]);else{k&&(this.models.length=0);var E=k||b;for(i=0,o=E.length;o>i;i++)this.models.push(E[i])}if(c&&this.sort({silent:!0}),!t.silent){for(i=0,o=b.length;o>i;i++)(s=b[i]).trigger("add",s,this,t);(c||k&&k.length)&&this.trigger("sort",this,t)}return r?e[0]:e},reset:function(e,t){t||(t={});for(var r=0,i=this.models.length;i>r;r++)this._removeReference(this.models[r],t);return t.previousModels=this.models,this._reset(),e=this.add(e,n.extend({silent:!0},t)),t.silent||this.trigger("reset",this,t),e},push:function(e,t){return this.add(e,n.extend({at:this.length},t))},pop:function(e){var t=this.at(this.length-1);return this.remove(t,e),t},unshift:function(e,t){return this.add(e,n.extend({at:0},t))},shift:function(e){var t=this.at(0);return this.remove(t,e),t},slice:function(){return a.apply(this.models,arguments)},get:function(e){return null==e?void 0:this._byId[e]||this._byId[e.id]||this._byId[e.cid]},at:function(e){return this.models[e]},where:function(e,t){return n.isEmpty(e)?t?void 0:[]:this[t?"find":"filter"](function(t){for(var n in e)if(e[n]!==t.get(n))return!1;return!0})},findWhere:function(e){return this.where(e,!0)},sort:function(e){if(!this.comparator)throw new Error("Cannot sort a set without a comparator");return e||(e={}),n.isString(this.comparator)||1===this.comparator.length?this.models=this.sortBy(this.comparator,this):this.models.sort(n.bind(this.comparator,this)),e.silent||this.trigger("sort",this,e),this},pluck:function(e){return n.invoke(this.models,"get",e)},fetch:function(e){e=e?n.clone(e):{},void 0===e.parse&&(e.parse=!0);var t=e.success,r=this;return e.success=function(n){var i=e.reset?"reset":"set";r[i](n,e),t&&t(r,n,e),r.trigger("sync",r,n,e)},F(this,e),this.sync("read",this,e)},create:function(e,t){if(t=t?n.clone(t):{},!(e=this._prepareModel(e,t)))return!1;t.wait||this.add(e,t);var r=this,i=t.success;return t.success=function(e,n){t.wait&&r.add(e,t),i&&i(e,n,t)},e.save(null,t),e},parse:function(e){return e},clone:function(){return new this.constructor(this.models)},_reset:function(){this.length=0,this.models=[],this._byId={}},_prepareModel:function(e,t){if(e instanceof d)return e;t=t?n.clone(t):{},t.collection=this;var r=new this.model(e,t);return r.validationError?(this.trigger("invalid",this,r.validationError,t),!1):r},_addReference:function(e){this._byId[e.cid]=e,null!=e.id&&(this._byId[e.id]=e),e.collection||(e.collection=this),e.on("all",this._onModelEvent,this)},_removeReference:function(e){this===e.collection&&delete e.collection,e.off("all",this._onModelEvent,this)},_onModelEvent:function(e,t,n,r){("add"!==e&&"remove"!==e||n===this)&&("destroy"===e&&this.remove(t,r),t&&e==="change:"+t.idAttribute&&(delete this._byId[t.previous(t.idAttribute)],null!=t.id&&(this._byId[t.id]=t)),this.trigger.apply(this,arguments))}});var b=["forEach","each","map","collect","reduce","foldl","inject","reduceRight","foldr","find","detect","filter","select","reject","every","all","some","any","include","contains","invoke","max","min","toArray","size","first","head","take","initial","rest","tail","drop","last","without","difference","indexOf","shuffle","lastIndexOf","isEmpty","chain","sample"];n.each(b,function(e){h.prototype[e]=function(){var t=a.call(arguments);return t.unshift(this.models),n[e].apply(n,t)}});var g=["groupBy","countBy","sortBy","indexBy"];n.each(g,function(e){h.prototype[e]=function(t,r){var i=n.isFunction(t)?t:function(e){return e.get(t)};return n[e](this.models,i,r)}});var y=t.View=function(e){this.cid=n.uniqueId("view"),e||(e={}),n.extend(this,n.pick(e,w)),this._ensureElement(),this.initialize.apply(this,arguments),this.delegateEvents()},_=/^(\S+)\s*(.*)$/,w=["model","collection","el","id","attributes","className","tagName","events"];n.extend(y.prototype,s,{tagName:"div",$:function(e){return this.$el.find(e)},initialize:function(){},render:function(){return this},remove:function(){return this.$el.remove(),this.stopListening(),this},setElement:function(e,n){return this.$el&&this.undelegateEvents(),this.$el=e instanceof t.$?e:t.$(e),this.el=this.$el[0],n!==!1&&this.delegateEvents(),this},delegateEvents:function(e){if(!e&&!(e=n.result(this,"events")))return this;this.undelegateEvents();for(var t in e){var r=e[t];if(n.isFunction(r)||(r=this[e[t]]),r){var i=t.match(_),o=i[1],a=i[2];r=n.bind(r,this),o+=".delegateEvents"+this.cid,""===a?this.$el.on(o,r):this.$el.on(o,a,r)}}return this},undelegateEvents:function(){return 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