Drag deceleration in the edge of the map.
Add CocoStudio.
Add CocoStudio.
Add CocoStudio
Merge branch 'master' of https://github.com/Wu-Hao/TankMultiplayer

Conflicts:
	Classes/GameScene.cpp
	proj.ios_mac/TankMultiplayer.xcodeproj/project.pbxproj
Merge pull request #3 from fusijie/master

Add CocoStudio && Merge