Use special message for some namespaces for "return" link

For some talk pages (user, project, file talk pages) use new messages,
which looks much better as "Return to {title} page.".

Bug: 61113
Change-Id: Iccddfee59feb451c3fc1d4a418924a2429b30db7
Merge "Use special message for some namespaces for "return" link"