* With -DDDD, print out all gitcfg references (copious!)
* Fix a debug message in the obsolete sshpsql archive access driver.
* Make configuration able to prevent dpkg-mergechangelogs setup.
+ * Provide dgit setup-new-tree (like dpkg-setup-mergechangelogs
+ but only does it if not disabled in config).
+ * Set up git user.email and user.name from distro access config
+ or DEBEMAIL/DEBFULLNAME. Closes:#793410.
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