Bind params of control panel
added null check to Control panel manager
Fix out of bounds, add null checks
Move error checks to converter, modify panel manager
Merge branch 'controlpanelbind' of github.com:kazyx/WPPMM into controlpanelbind

Conflicts:
	WPPMM/PhoneApp/CameraManager/ControlPanelManager.cs
	WPPMM/PhoneApp/Utils/SettingsValueConverter.cs
Set event handler after value is set
Not to call APIs if candidates are null
Fix zoom function
Fixed selftimer issue