check for local "this" in abstract closures (fixed issue #1476)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6179 f16182fa-f095-11de-8f43-4547254af6c6
temporarily keep neko.db package in haxelib until it is migrated completely

git-svn-id: http://haxe.googlecode.com/svn/trunk@6180 f16182fa-f095-11de-8f43-4547254af6c6