[gobject-introspection] (17 commits) ...Ignore accessor annotations for non-introspectable properties

[Emmanuele Bassi <ebassi src gnome org>]

Summary of changes:

  700e877... Property accessors work for interfaces and objects (*)
  3ec400b... Add new annotations for property accessors (*)
  e39804f... tests: Check new property accessors annotations (*)
  63eeaf1... docs: Add the new accessors annotations (*)
  b058cca... Add introspection data for property accessors (*)
  f83e75d... Add annotations for property setters and getters (*)
  382430d... tests: Add a Regress test for the property accessors annota (*)
  a206786... Document the new property accessors annotations (*)
  de2f64c... docs: Clarify the meaning of accessor functions (*)
  9b5eae6... scanner: Try to pair properties with accessor methods (*)
  194088c... scanner: Add an heuristic for property getters (*)
  4bcb26d... Use a macro for the missing accessor sentinel value (*)
  d324947... docs: Clarify scope of property-related annotations (*)
  2b6c06d... scanner: Warn if property annotations are mismatched (*)
  dfb5ce0... Improve getter function matching heuristic (*)
  8d00742... Improve readability of error message (*)
  e79ea48... Ignore accessor annotations for non-introspectable properti (*)

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