[gjs] (12 commits) Non-fast-forward update to branch wip/ptomato/classes

[Philip Chimento <pchimento src gnome org>]

The branch 'wip/ptomato/classes' 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:

  3753f11... Revert "js: Workaround for function with custom prototype"
  c332717... Revert "build: Allow compiling without RTTI"
  aa72fb7... class: Stop using custom __name__ property
  191cd15... lang: Move all legacy Lang.Class code
  a65755c... tests: Add ES6 class inheriting from legacy class
  6b6e336... class: Move to ES6 classes in internal code
  192bee3... GObject: Move all legacy GObject class code
  c96aa76... WIP - GObject class stuff

Commits added to the branch:

  40b7b17... object: Don't let a method shadow a property (*)
  c1bc509... Backport of patch required for JSObject compare to nullptr (*)
  e6cc09d... Backport of patch required for vectors MOZ_MUST_USE returns (*)
  70ac571... Revert "js: Workaround for function with custom prototype"
  1dc4023... Revert "build: Allow compiling without RTTI"
  aedcaaf... class: Stop using custom __name__ property
  b0eece2... lang: Move all legacy Lang.Class code
  c6649ba... tests: Add ES6 class inheriting from legacy class
  a25952d... class: Move to ES6 classes in internal code
  0968e03... GObject: Move all legacy GObject class code
  3ec4e54... FIXME: GObject: Adapt GObject class framework to ES6
  be6a111... FIXME: class: Move to ES6 GObject classes in internal code

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