Test suite:
* Add test for import-dsc with default distro. (Detects #850781.)
+ Administrivia:
+ * Fix a dgit 3.0 changelog bullet referring to refs/dgit-fetch/DISTRO.
+
--
dgit (3.0) unstable; urgency=medium
Other improvements:
* Improve debugging output a bit.
- * Use refs/dgit-fetch/DISTRO rather than refs/dgit-fetch/DISTRO,
+ * Use refs/dgit-fetch/DISTRO rather than refs/dgit-fetch/SUITE,
which leads to less duplication and so less clutter.
* Enforce a reasonable syntax for nominal distro names.
* When generating orig+debian/patches view, copy debian/ from