[gjs] (29 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:

  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

Commits added to the branch:

  980b9cb... libgjs-private: Export _get_type()'s for introspection (*)
  0677784... build: Use uninstalled includes for GjsPrivate GIR (*)
  332da40... js: Refactor dual use of JS::Heap wrapper
  93f1033... WIP - make closure lifetime less complicated?
  bcd27db... WIP - object: switch to C++ struct
  0224365... WIP - object: split out clear pending toggles
  b143c14... WIP - remove keep-alive
  6e00526... WIP - object: fully use GjsMaybeOwned wrapper
  dc38a26... fundamental: Don't trace uninitialized memory
  1bea7c2... closure: Clear closure functions in idle handler
  3fd5ae0... build: Build with mozjs38
  7a4f84a... docs: Overview of new JS features in NEWS
  d0e522f... js: AutoValueVector's [] operator is rooted
  661add1... js: Adapt to new JS_NewObject() API
  82c4aa2... js: Adapt to new JS_DefinePropertyById() API
  6e32720... js: Rename JS_CallHeapFooTracer()
  40304cd... js: Discontinue JSClass stubs
  3c5b39b... js: Adapt to new JS_SetErrorReporter() API
  29f0d2b... constructor-proxy: Adapt to new js::DirectProxyHandler API
  abb508a... runtime: Adapt to new JSFinalizeCallback
  c53b2db... js: Adapt to new mozilla::Maybe API
  c36da1c... js: Adapt to new signature of resolve operation
  382abce... js: Accommodate both Latin-1 and two-byte strings
  4efd0ed... js: JSNative accessors in JS_DefineProperty()
  fe93ddd... js: Fix misc APIs for mozjs38
  352bf02... js: Various SpiderMonkey 38 improvements
  711ba0c... WIP - object: Update weak pointers after GC
  a254821... WIP - importer: Switch to eager enumeration
  302150b... WIP - importer: Switch back to lazy enumeration

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