Remove batch3 to cut down on overall test time(2 batches should suffice)

Expected numbers have been updated to account for removal of the 3rd batch
Limit Django to [1.4.4, 1.5) as dependency and for Travis

There are errors/failures in the tests in Django 1.5. I am fixing the Django version <1.5 for now as I just want a stable build out there as a baseline for the Harvest 2.2 transition.
Fix bad file redirects in post load commands
Add note about beta status and harvest upgrade
Update gene migration to handle missing unique constraint
Preparting for merge with master
.travis.yml