Doc: Update i18n devref

The internationalization devref was out of date (and wrongly named). This
patch documents the current advice for internationalization.

Change-Id: If91b3b11c4050cb231b7d9c38b6beca8ba6ce236
objects: fix version changelog in numa

The version info needs to be incremented as well as
the object version.

Change-Id: Ie186e474aa41b5cb89c804aa426b20cec8d4c9e0
Merge "objects: fix version changelog in numa"
Merge "Doc: Update i18n devref"