* refactor: convert methods of AutoUpdater to gin
* refactor: converter in map_converter.h is no more needed
* refactor: use gin in crash_reporter
* refactor: remove native_mate_converters/map_converter.h
* refactor: implement gfx_converter with gin
* refactor: convert methods of NativeImage to gin
* refactor: add gin_helper::Arguments
* fix: use gin_helper::Arguments to parse multi-type parameters
This re-orders our node clean up so that we free the environment before
the task runner is cleaned up as node uses the task runner during clean
up. It also calls WaitForDisconnect() to ensure that inspector agents
are notified that the context is going down.