[gjs] (8 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:

  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

Commits added to the branch:

  188254f... class: Stop using custom __name__ property
  9e1c377... lang: Move all legacy Lang.Class code
  fd9257a... class: Move to ES6 classes in internal code
  4e65c65... GObject: Move all legacy GObject class code
  832f20f... GObject: Adapt GObject class framework to ES6
  5dfff42... class: Move to ES6 GObject classes in internal code
  e76fe75... Gtk: Use GObject.registerClass() for Gtk.Widgets
  f5ac6f7... tests: Add ES6 class inheriting from legacy class