Sync with Browser.hx c92c80bfbcf.

git-svn-id: http://haxe.googlecode.com/svn/trunk@6438 f16182fa-f095-11de-8f43-4547254af6c6
install.ml

git-svn-id: http://haxe.googlecode.com/svn/trunk@6439 f16182fa-f095-11de-8f43-4547254af6c6
more install.ml

git-svn-id: http://haxe.googlecode.com/svn/trunk@6440 f16182fa-f095-11de-8f43-4547254af6c6