Updated changelogs for various packages

backup/debian/changelog

+symbiosis-backup (2017:0818) stable; urgency=medium
+
+  * Fixed typo in output.
+
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 18 Aug 2017 18:22:48 +0100
+
 symbiosis-backup (2017:0424) stable; urgency=medium
 
   * Updated copyright and compat files.

common/debian/changelog

+symbiosis-common (2017:0818) stable; urgency=medium
+
+  * Added diff option for Symbiosis::ConfigFile.
+  * Applied rubocop to symbiosis-ssl script.
+
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 18 Aug 2017 18:23:22 +0100
+
 symbiosis-common (2017:0424) stable; urgency=medium
 
   * Updated copyright to new machine-readable format.

email/debian/changelog

+symbiosis-email (2017:0818) stable; urgency=medium
+
+  * Added systemd-based clamav monit scripts.
+
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 18 Aug 2017 18:21:44 +0100
+
 symbiosis-email (2017:0510) stable; urgency=medium
 
   * Store monit configuration in /usr/share instead of /etc. Use symlinks to

httpd/debian/changelog

+symbiosis-httpd (2017:0818) stable; urgency=medium
+
+  * Added a --diff-only option to symbiosis-httpd-configure.
+  * Updated default apache templates to return the correct ErrorDocument for
+    non-mass-hosted sites. 
+
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 18 Aug 2017 18:18:12 +0100
+
 symbiosis-httpd (2017:0510) stable; urgency=medium
 
   * Store monit configuration in /usr/share instead of /etc. Use symlinks to

meta/debian/changelog

+bytemark-symbiosis (2017:0818) stable; urgency=medium
+
+  * Added systemd unit to output Symbiosis logo on boot.
+
+ -- Patrick J Cherry <patrick@bytemark.co.uk>  Fri, 18 Aug 2017 18:17:12 +0100
+
 bytemark-symbiosis (2017:0424) stable; urgency=medium
 
   * Added tentacles to Bytemark Symbiosis logo in honour of Debian Stretch.