Added PropertyChangeListener to SidePanels. #29
Added casting i PropertyChangeListener method. #29
modified .gitignore
Added methods to CalendarControl
Added updateAppointment method in interface, class
OK
OK
OK
Merge branches 'PersonControl,GroupControl' and 'master' of https://github.com/chunfantasy/calendar into PersonControl,GroupControl
OK
OK
Made methods static
Merge pull request #32 from chunfantasy/calendar-control

Calendar control
OK
Merge pull request #35 from chunfantasy/PersonControl,GroupControl

PersonControl,GroupControl
Merge branch 'master' into SidePanels
Updated propertyChange method. #29
Merge pull request #36 from chunfantasy/SidePanels

SidePanels
merge from storage
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/no/ntnu/pu/control/CalenderControl.java
	src/no/ntnu/pu/gui/view/MainView.java
	src/no/ntnu/pu/gui/view/SidePanel.java
	src/no/ntnu/pu/model/Appointment.java
	src/no/ntnu/pu/model/Person.java