[vala] (4 commits) Non-fast-forward update to branch wip/meson

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/meson' 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:

  c6e8428... meson: Add initial build support
  897a499... meson: Add tests
  5fd55ee... meson: Add vapi building
  fc149b8... move add_test_setup
  9c2dc89... meson: Add valadoc tests

Commits added to the branch:

  dda62bb... meson: Add initial build support
  3d30a9d... meson: Add tests
  4ad0388... meson: Add vapi building
  a6f0005... meson: Add valadoc tests