Upgraded most models to CBV.  Part of issue #13 and #21
Fixed some testing errors in the external app.  Part of issue #21
Included test fixtures to reagents app testing.
Created requirements.txt file for python dependencies
Created new CRUD views for Protein and ProteinFamily objects.
Fixed url transitions (added quotes around links).  Part of issue #21
Added potential static file locations to .gitignore
Updated installation instructions to include pip and south instructions.
Moved effect fixture into hypotheses test suite.  Closes #21