[vala] (27 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:

  69072b2... meson: Add initial build support
  f3b6e4d... WIP meson: Add tests
  bbcbb64... WIP meson: Add vapi building
  c9833a9... WIP meson: Add internal-api-docs
  7232664... WIP meson: Add meson-bootstrap.sh

Commits added to the branch:

  7da59be... tests: Extend "fastvapi" test to increase coverage (*)
  059b748... vala: Fix compatible/disposable check between structs and t (*)
  02d821b... xcb: Fix "missing return statement at end of subroutine bod (*)
  1265b39... avahi-client: Fix "use of possibly unassigned parameter" wa (*)
  2145369... gnutls: Fix "use of possibly unassigned parameter" warnings (*)
  b0f0ad0... tokyocabinet: Fix deprecation warnings (*)
  ecdda66... vala: Don't issue a warning for non-public struct fields in (*)
  d9c368a... vapi: Perform syntax and semantic check for all bindings on (*)
  44b19fd... girparser: Add required copy/free attributes for gtype-boxe (*)
  3c4b42d... codegen: Use gtype-boxed API for structs with "g_boxed_free (*)
  b8c28eb... Regenerate GIR-based bindings to pick up copy/free attribut (*)
  dc1d788... glib-2.0: Add binding for "gettext()" (*)
  91fc970... codegen: Make CCodeBaseModule.generate_method_declaration() (*)
  f413cb3... codegen: Fix custom reference-counting for compact classes (*)
  774f69b... valadoc/tests: Use type for property which is compatible wi (*)
  278797a... libvaladoc: Fix parameter and property ownership declaratio (*)
  c3b972e... libvaladoc: Drop unused code (*)
  743e8f9... libvaladoc: Remove TypeReference.pass_ownership API (*)
  5024c64... glib-2.0: Guard against passing null source to GLib.Memory. (*)
  05a7609... Sync NEWS from 0.46 (*)
  0927777... libvaladoc: Fix ownership declarations of Constants (*)
  9776597... parser: `owned` is not allowed on Constants (*)
  86d0a20... meson: Add initial build support
  950d83d... WIP meson: Add tests
  2184031... WIP meson: Add vapi building
  9d1d1c0... WIP meson: Add internal-api-docs
  cb8fe40... WIP meson: Add meson-bootstrap.sh

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