[gjs] (17 commits) Non-fast-forward update to branch wip/ptomato/mozjs38

[Philip Chimento <pchimento src gnome org>]

The branch 'wip/ptomato/mozjs38' 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:

  b5d0e92... build: Build with mozjs38
  0a80c28... js: AutoValueVector's [] operator is rooted
  fcaba2d... js: Adapt to new JS_NewObject() API
  df1fcca... js: Adapt to new JS_DefinePropertyById() API
  e76938b... js: Rename JS_CallHeapFooTracer()
  6f949f5... js: Discontinue JSClass stubs
  fea52e0... js: Adapt to new JS_SetErrorReporter() API
  56cd4d3... constructor-proxy: Adapt to new js::DirectProxyHandler API
  1da81c5... runtime: Adapt to new JSFinalizeCallback
  210ec87... js: Adapt to new mozilla::Maybe API
  f34491d... WIP - Adapt to new signature of resolve operation
  431f7e8... WIP - Use PersistentRooted in GjsCallbackTrampoline
  c927c3e... WIP - object.cpp weak pointer callback
  7eb43fa... WIP - Switch to new JSClass.enumerate
  ea2ab77... WIP - Latin1 vs UTF-16 strings
  40c6acd... WIP - mozjs38

Commits added to the branch:

  382d8ba... function: Two wrappers in GjsCallbackTrampoline
  fed0830... keep-alive: Update hash keys when objects move
  33caf9d... build: Build with mozjs38
  d112c6f... js: AutoValueVector's [] operator is rooted
  97ea451... js: Adapt to new JS_NewObject() API
  e35587a... js: Adapt to new JS_DefinePropertyById() API
  dce60d9... js: Rename JS_CallHeapFooTracer()
  4e6a2ca... js: Discontinue JSClass stubs
  04049ba... js: Adapt to new JS_SetErrorReporter() API
  24cdad9... constructor-proxy: Adapt to new js::DirectProxyHandler API
  f8d581b... runtime: Adapt to new JSFinalizeCallback
  709a2d7... js: Adapt to new mozilla::Maybe API
  d2bbd37... js: Adapt to new signature of resolve operation
  210c09c... WIP - object.cpp weak pointer callback
  97c0f92... WIP - Switch to new JSClass.enumerate
  41ed408... WIP - Latin1 vs UTF-16 strings
  213268c... WIP - mozjs38