https://meta.wikimedia.org/wiki/Steward_requests/Username_changes#Hipsterlive.40global
After renaming:
- User can't login
- All edits seems assigned to the new username (do to replicas on toolslabs)
- CantralAuth gives a error: https://meta.wikimedia.org/wiki/Special:CentralAuth/Hipsterlive (old username)
- Rename progress shows "in progress" https://meta.wikimedia.org/wiki/Special:GlobalRenameProgress/AyBars (new username)