Merge pull request #56 from lvlonggame/v3.3

remove "#include CCString.h"
create camera
Merge pull request #60 from liuliang2004/v3.3

create camera
Merge pull request #59 from lvlonggame/v3.3

modify aabb and bob and scene.c3b
change comment
Merge branch 'v3.3' of https://github.com/super626/cocos2d-x into v3.3
camera ios work
update code