http://github.com/robmadole/jig-plugins@pep8-checker
http://github.com/robmadole/jig-plugins@pyflakes
http://github.com/robmadole/jig-plugins@woops
http://github.com/robmadole/jig-plugins@whitespace
http://github.com/robmadole/jig-plugins@python-mccabe