Fix 'Setup GitCommit Model'
Merge branch 'master' of robinson.informatik.uni-bremen.de:awe11
Refactor repository methods
remove size attribute
merge conflicted file
Refactor controller
Merge branch 'commits' of robinson.informatik.uni-bremen.de:awe11 into commits
Refactor controller
Refactor repository controller test
add 'add repository' button
improve editing behaviour
Improve upload directory
add first parts of view
add missing templates
Add commit list
unfinished changes for commit-history
add routes to commits without url
Add browse commits