Merge pull request #1384 from tschneidereit/nat

Fix twips-to-pixels rounding issues
Merge pull request #1386 from tschneidereit/nat

Include new TextField dependencies in player.package
Merge pull request #1387 from tschneidereit/nat

Add native class linkage to MorpShape AS3 class
Merge pull request #1388 from tschneidereit/nat

Fix regression in defineFont
Polyfill gradient setTransform and fix bug where the setTransform function was being overwritten before it was checked.
Comment out invalid usage of clip.
Merge pull request #1389 from tschneidereit/nat

Switch fill- and line-bounds in defineShape tag handler
Only try calling CanvasGradient#setTransform if it exists
Clean up bounds handling code in defineShape parsing pipeline