inverted @:to field unification order (we always want to unify 'this' first)

git-svn-id: http://haxe.googlecode.com/svn/trunk@5954 f16182fa-f095-11de-8f43-4547254af6c6
unify abstract implementation functions while inlining

git-svn-id: http://haxe.googlecode.com/svn/trunk@5955 f16182fa-f095-11de-8f43-4547254af6c6
[Java] abstract fixes

git-svn-id: http://haxe.googlecode.com/svn/trunk@5956 f16182fa-f095-11de-8f43-4547254af6c6
added post-process filter to promote abstract type parameters to their implementation fields

git-svn-id: http://haxe.googlecode.com/svn/trunk@5957 f16182fa-f095-11de-8f43-4547254af6c6