[gjs] (2 commits) Non-fast-forward update to branch ewlsh/fix-closures

[Evan Welsh <ewlsh src gnome org>]

The branch 'ewlsh/fix-closures' 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:

  86798b8... gi: Allow GObject.Value boxed type in all contexts
  ddfe43f... Support GClosure and invoke()

Commits added to the branch:

  fe3a984... Support GObject.Closure boxed type and invoke()
  b58f228... Use GObject.Closure to marshal signal IDs