Force build of THANKS.gz every time
Force build of THANKS.gz every time

Use a PHONY target to force this build step on every invocation of Make.
Ideally we'd be able to detect when a commit has been made but this is a
quick hack that's correct but rebuilds it unecessarily.

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb