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 'd4dddf53e6de2c4dc69d08ff0e00d7cc144c4931':
  Add devsite-compatible lang ids to whitelist and add a redirect for the old uppercase ids.