Merge pull request #13 from WOYM/master

Update
#44 | You can now assign rooms to lessonTypes, also additionalInformation on rooms
Merge pull request #14 from WOYM/master

Update
#148
#142
#126
#151
Fixed CSS
Fixes #153
Work on #51 | Many improvements / fixes
Merge pull request #147 from tihansen/master

#44 | #148 | #142 | #126 | #151
Merge pull request #10 from WOYM/master

merge
Merge pull request #15 from WOYM/master

Merge pull request #147 from tihansen/master
#154
Weitere Tests hinzugefügt.
Test korrigiert.
Merge pull request #157 from tihansen/master

#154
#154
Tests für die Converter hinzugefügt.
#150