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.
+ Closes:#740721.
+ * Improve error message for .dsc having already been signed (iff
+ using libdpkg-perl 1.17.x). Closes:#731635.
+ * Improve error message for .dsc parsing failures more generally.
+ * Better reporting of child exit statuses (esp. deaths due to signals).
+ * In rpush, on protocol error talking to build host, check if the
+ subprocess died and report differently if so. Closes:#736528.
Major new feature, currently stalled awaiting server infrastructure:
* dgit-repos-server: New program for receiving signed-tag-based