WIP: CPP async workers#882

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robinchrist wants to merge 6 commits intonodejs:mainfrom

robinchrist:CPP17AsyncWorkers

Commits on Nov 30, 2019

Commits on Dec 29, 2019

Add improved C++17 Async Workers
robinchrist
committed

Commits on Mar 6, 2020

Commits on Mar 7, 2020

Add custom aligned_alloc wrapper to make NAN compile on Win, Linux and Mac. Fix bug in C++17 worker
robinchrist
committed