[vala] (8 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:

  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

Commits added to the branch:

  50225a7... genie: Allow the main function "init" to return an integer  (*)
  177857b... genieparser: Don't create VoidType unconditionally (*)
  95429f6... girwriter: Support transfer-ownership="container" for array (*)
  fca559e... tests: Extent "girwriter" test to increase coverage (*)
  91f1056... ci: Add .gitlab-ci.yml
  f9cad05... ci: Always deploy
  1319a34... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i
  4d90216... ci: Add ubuntu lts 16.04 run with gcc

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