Merge pull request #55 from paxtonhare/master

Wong timeline being passed to array in spine code
Fixed setSkin.
Merge remote-tracking branch 'origin/master'
Fixed libgdx examples for recent skeleton x/y and flip changes.
Minor updates.
Fixed leaking CCTextureAtlas.
Fixed cocos2d-x example leaking skeleton animation node.
make sure animation duration is not 0 when figuring out the time
fix typo(?) in colortimelines using color.r instead of slot.r when using alpha
Merge pull request #57 from moitias/luaanimationfixes

Fix a few Lua animation problems
Compute scale using sprite collection's target ortho size. Removed scale from skeletondata asset.
Merge remote-tracking branch 'origin/master'
Fixed issue #58
Fixed AS3 colors.
Some small optimizations.
Fixed attachAll.
Added getAnimationState.
Added mesh.MarkDynamic().
Minor updates.
Updated goblins atlas to have rotation.