Update beta to use loginwiki for SUL

* I'm planning to merge this Oct 21

Use beta's version of loginwiki (login.wikimedia.beta.wmflabs.org) as
the central login service for beta.

This should fix some of the oddities in beta.

Bug: 55760
Change-Id: I6f6e0ffa371f2f93b55d392429dfbeb0999c1769
Fix error message for recycled passwords

Users are getting the generic Abort message when they resuse a
compromised password.

Bug: 56002
Change-Id: Ide07296c590a299048886960bfbc2814c980a3e9
Merge "Fix error message for recycled passwords"
Merge "Update beta to use loginwiki for SUL"