GitLab

Fixes #300, #294, #299, #298 and #295

Import gitlab-ci fix from https://gitlab.com/lupine/symbiosis/commit/ab442a878133793037bcd6a6d1519c9c98d72e4a

This removes the old ruby logger, and the EM dependency.

It is of more utility in symbiosis-common, and we could all it elsewhere
when templating.

Closes #48

Also add the latest symbiosis "meta" repo to our sources lists to allow
symbiosis packages to be installed.

Store dhparams mainly in /etc/ssl/private, except for services that have hardcoded paths to dhparams.

This means we have to add the debian sources to our build process.

Also relaxed the mysql dependency, fixes #12348

httpd: Added apache2-api-20120211 dependency for libapache2-mod-bytemark-vhost,  and removed its postinst.

Also updated maintainers and uploaders.

httpd: Reordered control file, so that dh_ruby works.
httpd: Removed old transform script.