revert breaking commit

git-svn-id: http://haxe.googlecode.com/svn/trunk@6250 f16182fa-f095-11de-8f43-4547254af6c6
fixed min/max with NaN on neko, more into to floats

git-svn-id: http://haxe.googlecode.com/svn/trunk@6251 f16182fa-f095-11de-8f43-4547254af6c6
fixed issue #1515

git-svn-id: http://haxe.googlecode.com/svn/trunk@6252 f16182fa-f095-11de-8f43-4547254af6c6