[vala] (9 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:

  6b7de91... coverage: Build gidl-bindings
  3f1ae43... ci: Add .gitlab-ci.yml
  0d3f4f7... ci: Add ubuntu:16.04 run with gcc
  12f12b7... ci: Add ubuntu:18.04 run with gcc
  d60baf6... ci: Add fedora:latest run with clang
  a5db714... ci: Add archlinux/base:latest run with gcc
  3641a5c... ci: Always deploy

Commits added to the branch:

  0927777... libvaladoc: Fix ownership declarations of Constants (*)
  9776597... parser: `owned` is not allowed on Constants (*)
  e393d57... coverage: Build gidl-bindings
  d9b4689... ci: Add .gitlab-ci.yml
  289631c... ci: Add ubuntu:16.04 run with gcc
  08fa7f1... ci: Add ubuntu:18.04 run with gcc
  f7cb72d... ci: Add fedora:latest run with clang
  84c3a3e... ci: Add archlinux/base:latest run with gcc
  8d8319c... ci: Always deploy

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