Add differ gem
refactor, add method stub
add stub
Add message body method
truncate commit messages
improve 'get changed files'
Merge branch 'diff' of robinson.informatik.uni-bremen.de:awe11 into diff
improve 'get changed files'
finish 'get changed files'
remove unneeded FIXMEs
refactor, make methods protected
rollback 09c7dfa (allow null)
Merge branch 'master' into diff