Adding disable_locale_check flag to skipping warnings for en-US without gettext files. Fixes Issue#1055

Added two new scripts:
* check_l10n_config.js
* every_locale.js

This reverts commit 8ce33a52.

strargs is now 'format'.

For string interpolation, use %s instead of %1. %(name)s is also supported.

Adding i18n to wsapi. Split strings into client.po and messages.po.

Switched email from mustache to EJS templates.

Created fake locale db-LB for development and debugging.

Updated scripts.
See http://viewvc.svn.mozilla.org/vc?view=revision&revision=99911