Remove some extra spaces.
Fix: resize left panel view.
Rename LeftPanelViewController -> VFLeftPanelViewController.
Add "userInteractionDisabled" property.
Fix hardcoded view width.
Move layout code into "viewWillLayoutSubviews" method.
Add "autorotationDisabled" property.
Autorotation: delegation to center panel controller.
Add "backgroundColor" property.
Introduce VFNavigationDrawerControllerDelegate. Remove VFLeftPanelViewController.
Fix: Decision to open or close panel when pan gesture ended.
Merge pull request #1 from vlfm/dev-2.0.0

v2.0.0