Merge pull request #41 from lufylegend/1.8.10.a

hitPolygon改善
mouse over mouse out
增加了MOUSE_OUT,MOUSE_OVER事件,解决了显示和缓动对象在某些情况下将自身移除时会破坏显示和缓动列表的问题
buttonMode,mouseEnabled,mouseChildren
Merge pull request #42 from lufylegend/1.8.10.b

1.8.10.b
1.8.9 update
Merge pull request #43 from lufylegend/1.8.10.b

1.8.10 update
1.8.10 update
Merge pull request #44 from lufylegend/lufylegend-1.8.10

1.8.10 update
Merge pull request #45 from lufylegend/develop

1.8.10 update
up
hitTest LMenubar
LSprite clone mouse_over mouse_out
mouseover mouseout
mobile dbclick,box2d gravity