Revert "Simplify this code and make sure AdminSite doesn't act like a singleton"
Revert "Simplify this code and make sure AdminSite doesn't act like a singleton"

Unfortunately, it's not that simple.  Without the runtime merging from
inside hatband.AdminSite, this doesn't seem to pick up everything else.

This reverts commit 122b4e6982fe7a74ee668c1b146c32a61c72ec7b.

armstrong/armstrong.hatband,texastribune/armstrong.hatband,armstrong/armstrong.hatband,armstrong/armstrong.hatband,texastribune/armstrong.hatband,texastribune/armstrong.hatband