Release v19.13 to unstable

Signed-off-by: James Valleroy <jvalleroy@mailbox.org>

debian/changelog

@@ -1,3 +1,41 @@
+plinth (19.13) unstable; urgency=low
+
+  [ Nikolas Nyby ]
+  * Fix a handful of typos in docs and comments
+  * Introduce flake8 checking
+  * Fix typos in module init docs
+  * Add flake8 to gitlib-ci
+
+  [ Petter Reinholdtsen ]
+  * Translated using Weblate (Norwegian Bokmål)
+
+  [ Sunil Mohan Adapa ]
+  * Minor changes to flake8 related updates
+  * diaspora: Fix tests by reverting changes during flake8 clenaup
+  * backups: Fix issue with showing index page
+  * backups: Fix HTML template indentation, remove inline styling
+
+  [ James Valleroy ]
+  * help: Show security notice when backports are in use
+  * security: Show vulnerability counts
+  * locale: Update translation strings
+  * doc: Fetch latest manual
+  * Begin uploading to unstable again.
+  * security: Fixup refactoring
+
+  [ Joseph Nuthalapati ]
+  * backups: Make UI more consistent with other apps
+  * backups: Make backup location tables collapsible
+  * flake8: Remove unused import
+
+  [ nautilusx ]
+  * Translated using Weblate (German)
+
+  [ Anxin YI ]
+  * Translated using Weblate (Chinese (Simplified))
+
+ -- James Valleroy <jvalleroy@mailbox.org>  Mon, 29 Jul 2019 19:13:58 -0400
+
 plinth (19.12) experimental; urgency=medium
 
   [ Miguel A. Bouzada ]

plinth/__init__.py

@@ -18,4 +18,4 @@
 Package init file.
 """
 
-__version__ = '19.12'
+__version__ = '19.13'