Let enyo-ilib (rather then enyo core) broadcast the "onlocalechange" signal, so that ilib can set its locale before any locale-aware Enyo controls try to query it. Addresses GF-7388.

Enyo-DCO-1.1-Signed-Off-By: Gray Norton (gray.norton@lge.com)
Using the new enyo.updateLocale() hook instead of listening for the "localechange" event and firing the "onlocalechange" signal directly.

Enyo-DCO-1.1-Signed-Off-By: Gray Norton (gray.norton@lge.com)
Replacing face navigator.language variable used in testing with the real McCoy.

Enyo-DCO-1.1-Signed-Off-By: Gray Norton (gray.norton@lge.com)
Merge pull request #9 from enyojs/GF-7388-graynorton

GF-7388: Let enyo-ilib (rather then enyo core) broadcast the "onlocalechange" sig...

Reviewed-By: Ben Combee (ben.combee@lge.com)