Basic Menu Slider

Functional but not well styled navigation drawer that pulls from the left. It has options for Messages, Friends, Lyricoos, and Settings.

All activity xml files had to be changed to include the drawer, and to build the menu you must call SlidingMenuHelper.addMenuToActivity() in an Activity's onCreate.

MenuActivity was removed and login goes straight to messages now.

Login backstack was fixed by intercepting back button press on login page and directing it to the home screen.