[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:

  cd89402... coverage: Build gidl-bindings
  b944a24... ci: Add .gitlab-ci.yml
  d5a05f9... ci: Add ubuntu:16.04 run with gcc
  85af411... ci: Add ubuntu:18.04 run with gcc
  0c8171f... ci: Add fedora:latest run with clang
  7a9df36... ci: Add archlinux/base:latest run with gcc
  05f9602... ci: Always deploy

Commits added to the branch:

  67b98ff... codegen: Accept children after generating type specific dec (*)
  7bfd9a3... ccode: Implicitly register declaration for added CCodeFunct (*)
  b2b162d... Sync NEWS from 0.46 (*)
  f3248c8... codegen: Support gobject property of null-terminated array  (*)
  10754be... vala: Unify backing symbol instance of data-types (2) (*)
  cb25947... coverage: Build gidl-bindings
  517c2a6... ci: Add .gitlab-ci.yml
  2b7cb63... ci: Add ubuntu:16.04 run with gcc
  0b4fc51... ci: Add ubuntu:18.04 run with gcc
  d614988... ci: Add fedora:latest run with clang
  39d31b8... ci: Add archlinux/base:latest run with gcc
  410b755... ci: Always deploy

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