Bugfixes:
* Clone removes destination directory on error. Closes:#736153.
+ * Work with wheezy-backports (and keep squeeze-backports working too).
+ Closes:#736524.
+ * Work in read-only no-git-history mode with Ubuntu. You still have
+ to pass -dubuntu. Closes:#751781.
+ * Use mirror.ftp-master.debian.org DNS alias rather than coccia.
+ Closes:#752602.
Minor improvements:
* Include canonicalised suite name in signed tag message.
* Mention cross-version dgit rpush incompatibility in manpage.
* New script tests/using-intree for running tests on the source tree.
+ * Do not spew diff output to terminal (by default). Print sensible
+ message instead. Closes:#736526.
+ * Print better message for lack of configuration settings.
Major new feature, currently stalled awaiting server infrastructure:
* dgit-repos-server: New program for receiving signed-tag-based