Bug 968172 - Don't invalidate HomePager in onLocaleReady (r=margaret)
Bug 968172 - Rename PREFS_KEY constant to PREFS_CONFIG_KEY (r=rnewman)
Bug 968172 - Ensure consistent locale string on onLocaleReady() calls (r=rnewman)
Bug 968172 - Trigger a full refresh when locale changes (r=rnewman)
Bug 974598 - Handle locale changes immediately in HomeConfigInvalidator (r=margaret)