obsutil: make obsfateprinter() less dependent on templater
joinfmt() is defined as 'lambda x: scmutil.formatchangeid(repo[x])' in
showsuccsandmarkers().
Function arguments are reordered so they look more normal.
# This config file points Mercurial at the system-wide certificate
# store from the ca-certificates package.
[web]
cacerts = /etc/ssl/certs/ca-certificates.crt