[gjs] (23 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:

  5ad1e05... js: Refactor dual use of JS::Heap wrapper
  7991ab1... WIP - make closure lifetime less complicated?
  bd4b5a7... build: Build with mozjs38
  b67e18d... docs: Overview of new JS features in NEWS
  dc78173... js: AutoValueVector's [] operator is rooted
  d74fae9... js: Adapt to new JS_NewObject() API
  da281d4... js: Adapt to new JS_DefinePropertyById() API
  de044fd... js: Rename JS_CallHeapFooTracer()
  9ebdc47... js: Discontinue JSClass stubs
  5d3ac34... js: Adapt to new JS_SetErrorReporter() API
  3c17ca0... constructor-proxy: Adapt to new js::DirectProxyHandler API
  0ccf2d7... runtime: Adapt to new JSFinalizeCallback
  bec759d... js: Adapt to new mozilla::Maybe API
  640177e... js: Adapt to new signature of resolve operation
  4f65646... js: Accommodate both Latin-1 and two-byte strings
  2063ad3... js: JSNative accessors in JS_DefineProperty()
  0a0d286... js: Fix misc APIs for mozjs38
  88e9439... js: Various SpiderMonkey 38 improvements
  357e33c... WIP - weak pointers
  eb9b0e4... WIP - Switch to new JSClass.enumerate

Commits added to the branch:

  e0f9ee1... importer: Fix importer enumeration (*)
  0ff4d97... js: Refactor dual use of JS::Heap wrapper
  44368f0... WIP - make closure lifetime less complicated?
  d065445... WIP - get rid of keep-alive
  a5047f3... build: Build with mozjs38
  1139187... docs: Overview of new JS features in NEWS
  ece6aaf... js: AutoValueVector's [] operator is rooted
  6a082cf... js: Adapt to new JS_NewObject() API
  3018599... js: Adapt to new JS_DefinePropertyById() API
  980199e... js: Rename JS_CallHeapFooTracer()
  0b3e332... js: Discontinue JSClass stubs
  5b6efda... js: Adapt to new JS_SetErrorReporter() API
  229dc0e... constructor-proxy: Adapt to new js::DirectProxyHandler API
  07f2cc5... runtime: Adapt to new JSFinalizeCallback
  d5adb29... js: Adapt to new mozilla::Maybe API
  bb3a480... js: Adapt to new signature of resolve operation
  f4f459d... js: Accommodate both Latin-1 and two-byte strings
  27c4c1e... js: JSNative accessors in JS_DefineProperty()
  936dce2... js: Fix misc APIs for mozjs38
  bda73eb... js: Various SpiderMonkey 38 improvements
  97b4bb7... WIP - object: Update weak pointers after GC
  8a63ab1... WIP - importer: Switch to eager enumeration
  d2be3ca... WIP - importer: Switch back to lazy enumeration

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