Bug 901041 - Remove 'swipe left' screen in tutorial (as part of the first run experience)

Conflicts:
	apps/communications/ftu/css/images/tutorial/2@1.5x.png
	apps/communications/ftu/css/images/tutorial/2@2x.png
	apps/communications/ftu/css/images/tutorial/3@1.5x.png
	apps/communications/ftu/css/images/tutorial/3@2x.png
	apps/communications/ftu/css/images/tutorial/4@1.5x.png
	apps/communications/ftu/css/images/tutorial/4@2x.png