fixed unitests with datastore.
fixed unitests with datastore.
rebase Visualization Object
Merge branch 'fix/election-adapter' into feature/manager
Extended unitest and tested system online
Extended unitests and tested system online
Merge remote-tracking branch 'origin/feature/manager' into
feature/manager

Conflicts:
	src/ch/uzh/ifi/se/yapp/ctrl/mgr/VisualisationManager.java
	src/ch/uzh/ifi/se/yapp/model/visualisation/Visualization.java
	unittest/ch/uzh/ifi/se/yapp/ctrl/mgr/VisualisationManagerTest.java
replace insert function with delete function
REMOVE LOGFILES
NO
Merge pull request #20 from rkoch/feature/manager

Feature/manager