Update Travis build matrix:
Update Travis build matrix:

- Remove Python 3.3 since it is incompatible with the current FT implementation
  and the server runs 3.4+ so it is wasted effort to make them work again.
- Remove development versions of Python to decrease the number of builds
- Test against Django 1.8 and 1.9

XeryusTC/projman,XeryusTC/projman,XeryusTC/projman