prompt dialogue and start page
start page
Merge remote-tracking branch 'origin/master' into master-2

Conflicts:
	.classpath
	bin/MainActivity.apk
	bin/classes.dex
	bin/classes/com/unimelb/breakbrick/MainActivity$1.class
	bin/classes/com/unimelb/breakbrick/MainActivity.class
	bin/classes/com/unimelb/breakbrick/R$id.class
	bin/classes/com/unimelb/breakbrick/R$layout.class
	bin/classes/com/unimelb/breakbrick/R$menu.class
	bin/classes/com/unimelb/breakbrick/R$string.class
	bin/classes/com/unimelb/breakbrick/R$style.class
	bin/classes/com/unimelb/breakbrick/StartPage$1.class
	bin/classes/com/unimelb/breakbrick/StartPage$2.class
	bin/classes/com/unimelb/breakbrick/StartPage.class
	bin/classes/com/unimelb/breakbrick/WorldView.class
	bin/resources.ap_
	gen/com/unimelb/breakbrick/R.java
	src/com/unimelb/breakbrick/StartPage.java
	src/com/unimelb/breakbrick/WorldView.java