[vala] (18 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:

  f1099aa... meson: Add initial build support
  744d7a3... meson: Allow static builds
  026d103... WIP meson: Add tests
  4006aca... WIP meson: Add internal-api-docs
  d647f09... WIP meson: Add meson-bootstrap.sh

Commits added to the branch:

  49a9c71... codegen: Fix base-access to non-abstract/non-virtual proper (*)
  5ab291d... codegen: Check vfunc of abstract/virtual methods for NULL b (*)
  5abec1c... codegen: Check vfunc of abstract/virtual properties for NUL (*)
  59bf720... vala: Check assigned handler of dynamic signal before proce (*)
  2dc1851... Revert "vala: Drop mitigation in CodeContext.pkg_config_mod (*)
  fbe96d1... vala: Fix cleaning of output in CodeContext.pkg_config_modv (*)
  2308a32... glib-2.0: Guard Pid.to_string() with GLIB_2_50 to deal with (*)
  8e42916... vala: Don't perform version check on internal lambda method (*)
  13f8c39... vala: Perform version check for types of non-external varia (*)
  6073767... vala: Quote symbol on report by version attribute check (*)
  65c2498... tests: Add "version check" tests to increase coverage (*)
  c55121b... tests: Actually make the "version check" tests work (*)
  3f7b518... vala: Ensure non-empty argument list for "disconnect" befor (*)
  1eead90... meson: Add initial build support
  c6f8ba9... meson: Allow static builds
  b5dc80d... WIP meson: Add tests
  98e263b... WIP meson: Add internal-api-docs
  56528b7... WIP meson: Add meson-bootstrap.sh

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