Bug 892950 - error-network message can use better English
Bug 922463 - Part 1: rewrite build/multilocale.py in javascript
Bug 922463 - Part 2: Modified httpd extension for multilocale.js

use new build module "multilocale" to handle localization in httpd.js
extension because we no longer to push all l10n files into gaia,
meanwhile we need to handle http requests for l10n files.
Merge pull request #13135 from yurenju/multilocale.js-2

Multilocale.js 2 r=@timdream r=@ochameau r=@Pike
Revert "Bug 922463 - Part 2: Modified httpd extension for multilocale.js"

This reverts commit bb7d576483f16e2ac76e6303279a6098c0333212.
Revert "Bug 922463 - Part 1: rewrite build/multilocale.py in javascript"

This reverts commit 43c7463d99e072c5d7d74a73a125a7bb3a8da329.
Merge pull request #14913 from gurumukhi/patch-2

Bug 892950 - error-network message can use better English, r=johu