Added a helper method to get the side drawer view controller
-Refactored some code
Merge branch 'side_drawer_helper_method' into child_view_controllers

Conflicts:
	MMDrawerController/MMDrawerController.m
Refactored pan gesture side drawer controller
Updated the didMoveToParentViewController methods
Merge pull request #10 from mutualmobile/side_drawer_helper_method

Added a helper method to get the side drawer view controller
Merge branch 'master' into child_view_controllers
Added rotation methods so since iOS 5 doesnt support splitting them