[java/cs] unit tests-related fixes


git-svn-id: http://haxe.googlecode.com/svn/trunk@6239 f16182fa-f095-11de-8f43-4547254af6c6
unleash Java unit tests

git-svn-id: http://haxe.googlecode.com/svn/trunk@6240 f16182fa-f095-11de-8f43-4547254af6c6
treat metadata like an unop (fixed issue #1442)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6241 f16182fa-f095-11de-8f43-4547254af6c6