* Remove configuration relating to alioth.
* Provide for different access mechanisms when pushing.
* Provide for configurable git url suffix.
+ * Allow git-url to be '' to force fallback to git-proto etc.
* Provide for checking git presence via http[s].
* Do some quoting on debug output (needed if the server might not
be trustworthy and might send us bad stuff).
+ * Talk to push.dgit.debian.org, rather than the .debian.net alias.
Infrastructure:
* Provide for mirroring git updates to a different server.