Sean Whitton] Closes:#856402.
Minor fixes:
+ * Fix message about missing quilt cache entry to refer to
+ HEAD rather than tree, since dgit needs a commit. Closes:#884646.
* Fix grammar error in 4.1 changelog entry. [Sean Whitton]
* Remove some whitespace "errors". [Sean Whitton]
+ Packaging:
+ * Remove dependency alternative on realpath (package last existed in
+ Debian wheezy). Closes:#877552.
+
Test suite:
* dpkgsourceignores-docs: Correct restriction (so autopkgtest
won't try to run it).