allow right side this-type operators (fixed issue #1595)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6436 f16182fa-f095-11de-8f43-4547254af6c6
updated ttf lib (fixed issue #1597)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6437 f16182fa-f095-11de-8f43-4547254af6c6