Merge pull request #30 from fusijie/master

fixed lots of bugs.
Merge pull request #31 from fusijie/master

Add Collision check.
Add  Static ball.
Merge pull request #32 from fusijie/master

Add Rotate Ball.
W.T.F I finally completed the scroll ball.LOL...
Merge commit '3748b12139bd6a12af936802fab1e49c4d06a48c' into HEAD

Conflicts:
	Classes/Base/RotateBall.cpp
	Classes/Base/StageSelect.cpp
	Classes/Base/StageSelect.h