am 33cda41c: am d4dddf53: am 4561ea57: am 04ed3fe8: am 32bd1410: am 4df667f4: Add devsite-compatible lang ids to whitelist and add a redirect for the old uppercase ids.

* commit '33cda41cf9ad1c1fac947301780f1aa42f93cbb6':
  Add devsite-compatible lang ids to whitelist and add a redirect for the old uppercase ids.