Added default dropdown menu to Help screen
Added default dropdown menu to Help screen

ShwethaThammaiah/muzima-android-1,sthaiya/muzima-android,sthaiya/muzima-android,vijayakumarn/muzima-android,vijayakumarn/muzima-android,vijayakumarn/muzima-android,vijayakumarn/muzima-android,ShwethaThammaiah/muzima-android-1,sthaiya/muzima-android,ShwethaThammaiah/muzima-android-1,ShwethaThammaiah/muzima-android-1