[vala] (6 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:

  feeceee... ci: Add .gitlab-ci.yml
  61b7eb2... ci: Always deploy
  403721d... ci: Add ubuntu lts 16.04 run with gcc
  5394969... ci: Build and deploy API documentation
  ff854bc... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i

Commits added to the branch:

  c3db5c6... tests: Adjust for fuzzy generated GIR header
  6f45e55... ci: Add .gitlab-ci.yml
  b48715e... ci: Always deploy
  a29bf03... ci: Add ubuntu lts 16.04 run with gcc
  d14401e... ci: Build and deploy API documentation
  6aade41... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i