Removed tinted status bar from devices < API 21
Fixed update list scroll bar overlap
Updated .gitignore
fixed untracked files
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/src/main/java/com/hackthenorth/android/receiver/GCMBroadcastReceiver.java
Fixed notification icon
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/src/main/java/com/hackthenorth/android/receiver/GCMBroadcastReceiver.java
Updated to use visibility manager when handling notifications
Removed SlidingMenu and implemented ViewPager for navigation