[vala] (7 commits) Non-fast-forward update to branch wip/ci

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/ci' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e41cdda... ci: Add .gitlab-ci.yml
  9e37881... ci: Always deploy
  b77c482... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i
  dd13fa6... ci: Add ubuntu lts 16.04 run with gcc

Commits added to the branch:

  f71945c... gobject-2.0: Add SignalHandler.disconnect_by_data() (*)
  d6421ce... testrunner: Add support for Genie source files (.gs) (*)
  feac71e... tests: Add some Genie tests to increase coverage (*)
  0df6a40... ci: Add .gitlab-ci.yml
  711da5f... ci: Always deploy
  e1fc14d... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i
  1d219d4... ci: Add ubuntu lts 16.04 run with gcc

(*) This commit already existed in another branch; no separate mail sent