Add NS_USER, NS_USER_TALK aliases for Old English

This patch adds accent-free aliases for the NS_USER
and NS_USER_TALK namespaces per community request.
The names, I am told, have been translated by an
Old English Wikipedia administrator.

See bug for details.

Bug: 58863
Change-Id: I14e334fe42c502b8182487328ebab76a6d52a8a8
Merge "Add NS_USER, NS_USER_TALK aliases for Old English"