Release v19.15 to unstable

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

debian/changelog

@@ -1,3 +1,56 @@
+plinth (19.15) unstable; urgency=medium
+
+  [ Doma Gergő ]
+  * Translated using Weblate (Hungarian)
+
+  [ nautilusx ]
+  * Translated using Weblate (German)
+
+  [ Allan Nordhøy ]
+  * Translated using Weblate (Norwegian Bokmål)
+
+  [ Joseph Nuthalpati ]
+  * functional_tests: Fix site.is_available not handling default paths
+  * functional_tests: Fix step definition "When I log out"
+  * matrix-synapse: Allow installation of version 1.2 from backports
+
+  [ James Valleroy ]
+  * security: Hide vulnerability table by default
+  * vagrant: Stop any ongoing unattended-upgrade
+  * functional_tests: Use longer password when creating user
+  * locale: Update translation strings
+  * doc: Fetch latest manual
+  * debian: Add lintian-override for package-installs-apt-preferences
+
+  [ Sunil Mohan Adapa ]
+  * names: Perform better layout of domain names table on small screens
+  * cockpit: Apply domain name changes immediately
+  * ejabberd: Prevent processing empty domain name
+  * config: Send hostname change signal only after fully processing it
+  * letsencrypt: Don't try to obtain certificates for .local domains
+  * avahi: Expose .local domain as a proper domain
+  * cockpit: Make essential and install by default
+  * tt-rss: Force upgrade to 18.12-1.1 and beyond
+  * doc: Fetch latest manual
+  * README: Add more screenshots, update existing paths
+  * matrixsynapse: Fix apache syntax errors introduce by 4b8b2e171c86d75
+  * users: yapf cosmetic changes
+  * users: Don't delete 'admin' group when running unit tests
+  * users: Minor cosmetic refactoring
+  * users: Don't fail badly when admin group does not exist
+  * users: Minor fix to return value when getting last admin user
+  * users: Cosmetic yapf and isort fixes
+  * updates: Allow matrix-synapse 1.3 to be installed for buster users
+  * javascript: Don't resubmit when refreshing the page
+  * vagrant: Fix dpkg command for recovering from broken state
+  * functional_tests: Fix create snapshot test failure
+  * storage: Fix regression with restoring backups with storage
+
+  [ bn4t ]
+  * matrix-synapse: Use recommended reverse proxy configuration
+
+ -- James Valleroy <jvalleroy@mailbox.org>  Mon, 26 Aug 2019 18:55:49 -0400
+
 plinth (19.14) unstable; urgency=medium
 
   [ James Valleroy ]

plinth/__init__.py

@@ -18,4 +18,4 @@
 Package init file.
 """
 
-__version__ = '19.14'
+__version__ = '19.15'