2019-10-22, Version 10.17.0 'Dubnium' (LTS)

Notable changes:

* crypto:
  * add support for chacha20-poly1305 for AEAD (chux0519)
    https://github.com/nodejs/node/pull/24081
  * increase maxmem range from 32 to 53 bits (Tobias Nießen)
    https://github.com/nodejs/node/pull/28799
* deps:
  * update npm to 6.11.3 (claudiahdz)
    https://github.com/nodejs/node/pull/29430
  * upgrade openssl sources to 1.1.1d (Sam Roberts)
    https://github.com/nodejs/node/pull/29921
* dns:
  * remove dns.promises experimental warning (cjihrig)
    https://github.com/nodejs/node/pull/26592
* fs:
  * remove experimental warning for fs.promises (Anna Henningsen)
    https://github.com/nodejs/node/pull/26581
* http:
  * makes response.writeHead return the response (Mark S. Everitt)
    https://github.com/nodejs/node/pull/25974
* http2:
  * makes response.writeHead return the response (Mark S. Everitt)
    https://github.com/nodejs/node/pull/25974
* n-api:
  * make func argument of napi\_create\_threadsafe\_function optional
    (legendecas)
    https://github.com/nodejs/node/pull/27791
  * mark version 5 N-APIs as stable (Gabriel Schulhof)
    https://github.com/nodejs/node/pull/29401
  * implement date object (Jarrod Connolly)
    https://github.com/nodejs/node/pull/25917
* process:
  * add --unhandled-rejections flag (Ruben Bridgewater)
    https://github.com/nodejs/node/pull/26599
* stream:
  * implement Readable.from async iterator utility (Guy Bedford)
    https://github.com/nodejs/node/pull/27660
  * make Symbol.asyncIterator support stable (Matteo Collina)
    https://github.com/nodejs/node/pull/26989

PR-URL: https://github.com/nodejs/node/pull/29875