[gjs] (21 commits) Created branch wip/gobj-kitchen-sink

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/gobj-kitchen-sink' was created.

Summary of new commits:

  6ae8b29... lang: Introduce meta classes
  9cae794... function: Make GjsCallbackTrampoline public
  6fd48fc... function: Allow out parameters in callbacks and vfuncs
  e21cb74... Expose parent vfuncs on the parent prototype, prefixed with
  af328a0... object: Implement gobject inheritance
  19f6818... object: Throw an error if priv is NULL, giving a common rea
  e6f2942... object: Allow GObject subclasses to override parent vfuncs
  5de7bf6... lang: Add helper "pointer_string" method for debugging
  e0a2d0d... arg: Don't copy boxed types
  6ca5eb2... object: Support glib properties
  9e93536... Move GParamSpec registration together with the other infos
  74c413a... GParamSpec: set an exception when invoking the constructor 
  dff60e3... GDBus: introduce new convenience wrappers
  f1ee866... object: Introduce support for signals
  5a87c72... boxed: Introduce support for complex constructors
  fb2581a... object: Add support for interfaces
  9446b23... object: Fix handling classes without repository information
  2ec5bc2... object: Make custom types have a custom JSClass
  44d77e0... GDBus: fix tests
  a160c0b... GDBus: Allow prefixing property names with 'DBus' to help p
  3a5cf83... GDBus: Allow automatic exporting of implementations on cons