[vala] (5 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:

  a8333c3... meson: Add tests
  08caec5... meson: Add vapi building
  dd8c811... meson: More vapi building
  c0cf6a7... squash into vapi build
  4f6ed09... meson: Add internal-api-docs

Commits added to the branch:

  fd0a4c6... meson: Add tests
  01553a9... meson: Add vapi building
  24d4ca4... meson: More vapi building
  2818b40... squash into vapi build
  097f49d... meson: Add internal-api-docs