1.add HttpUtil class support network connection
2.add KillShapeDelegate class for controll shape kill
3.add RankScene class for network connection test
4.improve some header files include
Merge branch 'ht'

Conflicts:
	Classes/MainScene.cpp
	Classes/MainScene.h

1.add random generate shape
2.add shape action
1.fix polySprite remove bug
2.fix rand number repeat bug
Merge pull request #3 from TopLittlebob/master

Merge the solution of the BUG(remove polygon one by one)