[java] Stricter Java_ver check, output defines' value in build file


git-svn-id: http://haxe.googlecode.com/svn/trunk@6267 f16182fa-f095-11de-8f43-4547254af6c6
[java] Added -java-lib imports completion


git-svn-id: http://haxe.googlecode.com/svn/trunk@6268 f16182fa-f095-11de-8f43-4547254af6c6
[java] minor


git-svn-id: http://haxe.googlecode.com/svn/trunk@6269 f16182fa-f095-11de-8f43-4547254af6c6