Made work-alone repo names equal the user_name of the user in all situations
Merge branch 'master' into issue-1456
Added a test to verify issue-1456 is solved
Replaced redundant 'self.user_name' to 'user_name' throughout the student model
Fixed some style issues with old code Hound complained about
Fixed lines that were too long
Merge pull request #1765 from SoftwareDev/issue-1456

Made work-alone repo names equal the user_name of the user in all situations. Fixes #1456
Merge branch 'master' of https://github.com/MarkUsProject/Markus into imageAnnotationRSpec