Add tests for bazaar exchange messages
Use the messages framework for bazaar_exchange view
Add test for magic_cast error message
Use the messages framework for magic_cast view
Add test for setup_create error message
Use the messages framework for setup_create view
Add test for setup_invite error message
Use the messages framework for setup_invite view
Add test for manage_player error message
Use the messages framework for manage_player view
Get rid of the 'do_result' function and use the messages framework instead
Remove the 'do_result' function from 'grandchallenge' module and add a template for displaying messages
Get rid of the challenge/message.html template since the django messages are seen in the challenge/index.html template too
Translate the error message
Remove ajaxify class from 'Challenge' button because upon pressing it two templates were overlapping
Use redirect instead of HttpResponseRedirect
Add test for the challenge button display and make the get requests to follow redirects where necessary
Add test for the 'challenges' super user button display
Get rid of the get_profile_actions function from challenges models
Add tests for special quest profile buttons