[gjs] (12 commits) Non-fast-forward update to branch wip/ptomato/mozjs52

[Philip Chimento <pchimento src gnome org>]

The branch 'wip/ptomato/mozjs52' 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:

  ba6a348... js: New JSClass struct layout
  5c1a6f7... js: Add JSCLASS_FOREGROUND_FINALIZE flag
  989f3b0... js: Adapt to options changes
  3987663... js: Report warnings and errors with encoding
  c04861c... tests: Refactor to avoid error reporter
  d3c1042... js: Replace error reporter callbacks
  b94cebe... js: Replace JSRuntime APIs that now take JSContext
  d7d27d0... js: Remove JSRuntime
  4868b29... js: Adapt to misc API changes in SpiderMonkey 52
  160263f... js: Unbarriered read while in weak ptr callback
  7753e1d... docs: Overview of SpiderMonkey 52 features in NEWS
  860acb1... js: Allow access to modules' lexical scope

Commits added to the branch:

  0e6f2b0... js: New JSClass struct layout
  0d093a9... js: Add JSCLASS_FOREGROUND_FINALIZE flag
  cab11a8... js: Adapt to options changes
  c76d23d... js: Report warnings and errors with encoding
  1031a46... tests: Refactor to avoid error reporter
  69e558e... js: Replace error reporter callbacks
  6454ff1... js: Replace JSRuntime APIs that now take JSContext
  afcaa21... js: Remove JSRuntime
  37a590d... js: Adapt to misc API changes in SpiderMonkey 52
  9b22830... js: Unbarriered read while in weak ptr callback
  c901dd9... docs: Overview of SpiderMonkey 52 features in NEWS
  c47add1... WIP - js: Allow access to modules' lexical scope