Added view and template for submitted solutions.
TODO: Add tests. Wasn't able to, since I had more problems with jQuery +
Foundation
Activated the submitted solutions link
Removed explicit comment
Moved tests to their own folder and fixed naming.
Test_<name> is also valid!
Fixed polls app imports in tests
Fixed courses app tests imports
Fixed faq app tests imports
Fixed forum app, tests imports
Fixed statistics app, tests imports
Fixed students app tests, imports
Renamed show_submitted_solutions' template,
to be consistent to the view's name.
Added tests for show_submitted_solutions
Added tests for the user_profile view's button visibility
Fixed incorrect use of reverse() in students and courses tests
Fixed user_profile view tests to pass in Django 1.6
Bumped Travis Postgre to 9.3, matching production
Removed explicit comments in .travis.yml
Fixed wrong reversed URL in students.tests_views
Merge pull request #36 from HackBulgaria/submitted_solutions

Added submitted solutions view and tests