Smoothed out l10n tasks. Added client side lookup.
Added localization info to static README.
Merge branch 'dev' into l10n-the-final-frontier
Fix LangPath.Load() to handle randomer json.

* Several lang file contain odd content (e.g. {"":{...}, "":"", ...}
* Use interface{} for LangPath map
* Only display strings from LangPath map.
* Add some error debugging statements (because eating bugs bad)
Fix README to include grunt-cli req
Normalize loc-Lang to loc_LANG
added descriptive comment for why mixed case
Merge pull request #302 from mozilla-services/l10n-the-final-frontier

Wire together l10n