regression test scripts to use.
* Print better message for unknown operations.
* Provide `dgit clean'. Closes:#736527.
+ * When cloning, set up a remote `vcs-git' from the package's Vcs-Git
+ (and put an appropriate caveat in the manpage). Closes:#740687.
Major new feature, currently stalled awaiting server infrastructure:
* dgit-repos-server: New program for receiving signed-tag-based