[vala] (12 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:

  cd36e6a... coverage: Build gidl-bindings
  f3dc453... ci: Add .gitlab-ci.yml
  42febab... ci: Add ubuntu:16.04 run with gcc
  7d66b66... ci: Add ubuntu:18.04 run with gcc
  07db5d5... ci: Add fedora:rawhide run with clang
  9ca3110... ci: Add archlinux/base:latest run with gcc
  4de1fb6... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  2e0d27b... ci: Add alpine:edge run with gcc
  7fcb06a... ci: Always deploy

Commits added to the branch:

  f78932e... vala: GtkChild fields/properties must be declared as unowne (*)
  6e7be51... vala: Don't allow assigning GtkChild fields/properties (*)
  8ba64b8... tests: Add more invalid "GtkTemplate" tests to increase cov (*)
  059d7e2... coverage: Build gidl-bindings
  8b73fa8... ci: Add .gitlab-ci.yml
  fd986ba... ci: Add ubuntu:16.04 run with gcc
  588ed64... ci: Add ubuntu:18.04 run with gcc
  b401824... ci: Add fedora:rawhide run with clang
  e9316f0... ci: Add archlinux/base:latest run with gcc
  38ce4c8... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  2fab5d0... ci: Add alpine:edge run with gcc
  035517a... ci: Always deploy

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