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
Merge remote-tracking branch 'upstream/development' into bugfixing/seen-by-user-not-unique