do not consider Void when checking return flow (fixed issue #1815)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6653 f16182fa-f095-11de-8f43-4547254af6c6
allow abstract type parameter variance if the underlying types are compatible (fixed issue #1726)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6654 f16182fa-f095-11de-8f43-4547254af6c6
[java/cs] Added metadata documentation
[all] Added "Internal" meta flag to annotate metadatas that should only be used internally
Fixed issue #1239


git-svn-id: http://haxe.googlecode.com/svn/trunk@6655 f16182fa-f095-11de-8f43-4547254af6c6
compiler warning


git-svn-id: http://haxe.googlecode.com/svn/trunk@6656 f16182fa-f095-11de-8f43-4547254af6c6
minor


git-svn-id: http://haxe.googlecode.com/svn/trunk@6657 f16182fa-f095-11de-8f43-4547254af6c6
added JQueryHelper to import J/JTHIS globals from

git-svn-id: http://haxe.googlecode.com/svn/trunk@6658 f16182fa-f095-11de-8f43-4547254af6c6