Merge branch 'Remove-bubble-explosion'
Added long press gesture recognizer.
Merge branch 'master' into Remove-bubble-explosion

Conflicts:

RainbowBubble.xcodeproj/project.xcworkspace/xcuserdata/bethanymsimmons.x
cuserdatad/UserInterfaceState.xcuserstate
	RainbowBubble/RainbowBubbleView.m