Merge pull request #5 from m-mohr/master

refreshing
Merge pull request #6 from m-mohr/master

updating own stuff
Update README.md
Merge pull request #12 from CRoh/master

Updated README
Merge pull request #11 from MRieping/master

DatePicker added, fixes bugs, changed style of header, edited comment view
Added model files for server
base href not needed anymore due to server structure change
Merge pull request #6 from m-mohr/master

Pull Request 15.12.14