Improved build matrix.
Enable postgresql CFFI compatability if available.
Fixed syntax error.
Travis will now exclude mysql tests with pypy3 correctly.
Ensure the build won't fail on network errors and fail fast since the build matrix is large.
Escaped pip dependencies so bash won't do it's magic on them.
Excluded more mysql related build jobs that I forgot to add in the first place.
Travis should now exclude the build jobs correctly.
Fixed psycopg2 CFFI package name.
Using the Python3 branch of psycopg2cffi.
Fixed pip install command.
Update tox.ini to use Django 1.6.7.
Add pypy and pypy3 to tox.ini.
Merge remote-tracking branch 'thedrow/patch-1'

* thedrow/patch-1:
  Fixed pip install command.
  Using the Python3 branch of psycopg2cffi.
  Fixed psycopg2 CFFI package name.
  Travis should now exclude the build jobs correctly.
  Excluded more mysql related build jobs that I forgot to add in the first place.
  Escaped pip dependencies so bash won't do it's magic on them.
  Ensure the build won't fail on network errors and fail fast since the build matrix is large.
  Travis will now exclude mysql tests with pypy3 correctly.
  Fixed syntax error.
  Enable postgresql CFFI compatability if available.
  Improved build matrix.
No pypy3 MySQL tests.
Fix whitespace and psycopg2cffi py3 installation URL.