ICE-9790 Replace js-compiler.jar with a version that can run on JVM 1.6.

git-svn-id: http://anonsvn.icesoft.org/repo/icepush/trunk/icepush@39730 8668f098-c06c-11db-ba21-f49e70c34f74
 ICE-9790 Filter out WARNINGs in the console logging.

git-svn-id: http://anonsvn.icesoft.org/repo/icepush/trunk/icepush@39735 8668f098-c06c-11db-ba21-f49e70c34f74