remove all compiled assets
Merge branch 'development' of github.com:Coursemology/coursemology.org into development
set server static assets to true in development
parse creator as argument to course, now we can directly create course, no need through UI
Merge remote-tracking branch 'upstream/development' into test/hackathon-tests
let announcement test to use factroy girl to create course
Merge pull request #278 from wangqiang1208/test/hackathon-tests

Add functionality so that factroygirl can directly create course and enrol creator
Use new expect syntax for mission display test.
Write some tests to test Mission editing functionality.

Add Mission using factory girl.
Add test to check that mission creation has the success message.
Add test to check that edit form loads properly.
Add tests to check editing of Mission title, description and experience.
Use lecturer use for Mission tests. Use updated course creation method for tests.