install working nicely, no neko dependency

git-svn-id: http://haxe.googlecode.com/svn/trunk@6290 f16182fa-f095-11de-8f43-4547254af6c6
activate neko v2 by default (use -D neko_v1 to get neko 1.x compat)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6291 f16182fa-f095-11de-8f43-4547254af6c6
fixed keyword issue, close #1506

git-svn-id: http://haxe.googlecode.com/svn/trunk@6292 f16182fa-f095-11de-8f43-4547254af6c6