Fixed project 
Perioden Screen Fertig... Glaube ich
Merge remote-tracking branch 'origin/master' into feature-Perioden
Stranger unbenutzer Import entfernt :D
Merge remote-tracking branch 'origin/master' into feature-Perioden

Conflicts:
	src/main/java/dhbw/ka/mwi/businesshorizon2/ui/process/period/PeriodPresenter.java
Perioden WIP
Umbau für Architektur
Merge remote-tracking branch 'origin/master' into feature-Perioden

Conflicts:
	src/main/java/dhbw/ka/mwi/businesshorizon2/models/Project.java
	src/main/java/dhbw/ka/mwi/businesshorizon2/ui/process/period/PeriodPresenter.java
Merge pull request #25 from DHBW-Karlsruhe/feature-Perioden

Feature perioden [WIP]