Add pause menu
Change GameScene menu, add restart button
Need for merge // Oo
Merge remote-tracking branch 'origin/base' into quiz
Merge branch 'quiz' into base

Conflicts:
	Zend/Zend.xcodeproj/project.pbxproj

Zend/Zend.xcodeproj/project.xcworkspace/xcuserdata/air.xcuserdatad/UserI
nterfaceState.xcuserstate

Zend/Zend.xcodeproj/xcuserdata/air.xcuserdatad/xcschemes/xcschememanagem
ent.plist
	Zend/Zend/GameScene.h
	Zend/Zend/GameScene.m
merge quiz to base