drag and drop working!!!!!!!!!!!!
The gridbaglayout was not working, so I changed it for a simpler gridLayout. It is not perfect but at least the dayPanel are showing
Changed the preferred size of the activityPanel and fixed a bug where you could drop activities anywhere
Jeannine branch
Merge branch 'master' into Jeannine

Conflicts:
	src/Model/AgendaModel.java
	src/View/ActivityBankPanel.java
fix merge conflict
Merge remote-tracking branch 'remotes/origin/dragAndDrop'

Conflicts:
	src/Controller/ActivityBankController.java
	src/View/ActivityBankPanel.java
	src/View/ActivityJList.java
	src/View/MainView.java
fix merge conflict again with the EditActivity