[vala] (33 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:

  1fbf5bb... meson: Add initial build support
  be34792... WIP meson: Add tests
  2412c97... WIP meson: Add internal-api-docs
  5c0d746... WIP meson: Add meson-bootstrap.sh

Commits added to the branch:

  39331e2... vala: Support "unowned var" to declare local variables (*)
  417dd66... libvaladoc: Move gmodule-2.0 to Requires.private of pkg-con (*)
  0391ba9... vala: Add missing gmodule-2.0 to Requires.private of pkg-co (*)
  99c0e25... gstreamer: Update from 1.17.0+ git master (*)
  d3e66db... vapi: Update GIR-based bindings (*)
  3197d84... compiler: Add "--list-sources" options to output a list of  (*)
  42dca91... vala: Restore DestroysInstance behaviour for non-compact cl (*)
  6690ea0... vala: Improve check of delegate assignments and initializer (*)
  6139fcf... glib-2.0: Add "has_typedef = false" to custom MarkupParser* (*)
  bdd1382... vala: Set GLib.Error as symbol of error-types if no error-d (*)
  35bfea8... vala: Make Callable derive from Symbol (*)
  2957adf... codegen: Use SemanticAnalyzer.get_data_type_for_symbol() (*)
  dff819f... codegen: Commonize the determining of return-type for deleg (*)
  dd89c26... Sync NEWS from 0.46 (*)
  2fbb228... Release 0.47.1 (*)
  bd5c499... test: Add "GLib.Log constants" tests to increase coverage (*)
  07ff873... test: Add "GLib.Closure parameter" test to increase coverag (*)
  9c7a789... codegen: Fix support of dynamic DBus methods (*)
  d11ee98... vala: Report error for async creation expression without yi (*)
  a91ac04... codegen: Fix vfunc signature of delegate-typed property in  (*)
  9ca70b4... codegen: Share generate_struct_*() helpers between classes  (*)
  5bf8402... vala: Don't require constant initializer in fast-vapi (*)
  8af4e49... tests: Add "invalid address-of" test to increase coverage (*)
  30008bf... vala: scope "owner" of constructor/destructor subroutines i (*)
  626d3e6... gidl/girparser: Creation methods must not be marked as stat (*)
  96635dd... vala: Allow SemanticAnalyzer.get_this_type() to handle more (*)
  5e8005f... vala: Unify "this_parameter" creation using SemanticAnalyze (*)
  49a6d47... vala: Check "this_parameter" if available (*)
  552467a... codegen: Use result of CCodeBaseModule.get_this_type() (*)
  ce9119a... meson: Add initial build support
  0af2238... WIP meson: Add tests
  66fa433... WIP meson: Add internal-api-docs
  86a9a5a... WIP meson: Add meson-bootstrap.sh

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