Fixing textWidth/textHeight calculation bug when BitmapText is scaled.
Fixing bug: one line was sometimes being drawn twice on Flash BitmapText.
Fixing Scene.clearRecycledAll bug.
Merge pull request #237 from bendmorris/scenebug

Fixing Scene.clearRecycledAll bug.
Merge pull request #236 from bendmorris/bmtext

Fixing two BitmapText bugs.