Merge pull request #50 from kuu/master

Fix needed to get the AS rotation work properly.
[Issue]
  Only one text is rendered thought there are two texts.
[Cause]
  The two texts share the same font but the first one is a glyph text while the other is a device text.
  In such the case, the SWFCrew caches the glyphs of the first text and tries to reuse the glyphs for the rendering of the second text.
  But it fails because there's no glyphs for the second text which is a device text.

[Fix]
  Stopped to reuse the glyphs to render a device text.
Changes to completely reproduce the behavior of the FP: Device text cannot have any color transform.