[vala] (11 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:

  516a5a7... ci: Add .gitlab-ci.yml
  4fa0ddc... ci: Always deploy
  b370ee8... ci: Add ubuntu lts 16.04 run with gcc
  1a568e4... ci: Add ubuntu lts 18.04 run with gcc
  4d7b3d0... ci: Add fedora rawhide run with clang

Commits added to the branch:

  5ae0260... tests: Add GMutex and GRecMutex test to increase coverage (*)
  5fbe59e... codegen: Append line-break after G_DEFINE_AUTOPTR_CLEANUP_F (*)
  8f51ff7... codegen: Move private type-struct to type-definition sectio (*)
  a141537... x11: Fix return type of XInternAtoms and XGetAtomNames bind (*)
  768f7a2... codegen: Include required type-definition when casting from (*)
  87aabcb... vala: Support static methods in error-domains (*)
  0f09c7a... ci: Add .gitlab-ci.yml
  9f21bf3... ci: Always deploy
  0386025... ci: Add ubuntu lts 16.04 run with gcc
  4df97fa... ci: Add ubuntu lts 18.04 run with gcc
  c337e7e... ci: Add fedora rawhide run with clang

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