Add JavaScript test engine

[GoogleCodeExporter]

Embed one of open JavaScript engine: Crome V8, Mozilla SpiderMonkey, etc

Links:
http://stackoverflow.com/questions/93692/which-javascript-engine-would-you-embed
-in-an-application
https://developer.mozilla.org/en-US/docs/SpiderMonkey/Creating_JavaScript_tests
http://code.google.com/p/v8/wiki/BuildingWithGYP#Testing

Original issue reported on code.google.com by MuteSpi...@gmail.com on 28 Sep 2012 at 3:38