2018-01-13, Version 6.13.0 'Boron' (LTS)

This LTS release comes with 112 commits, 17 of which are considered
Semver-Minor. This includes 32 which are doc related, 30 which are test
related, 8 which are build / tool related and 1 commit which updates
a dependency.

Notable Changes:

* console:
  - added console.count() and console.clear() (James M Snell)
    https://github.com/nodejs/node/pull/12678
* crypto:
  - expose ECDH class (Bryan English)
    https://github.com/nodejs/node/pull/8188
  - added cypto.randomFill() and crypto.randomFillSync() (Evan Lucas)
    https://github.com/nodejs/node/pull/10209
  - warn on invalid authentication tag length (Tobias Nießen)
    https://github.com/nodejs/node/pull/17566
* deps:
  - upgrade libuv to 1.16.1 (cjihrig)
    https://github.com/nodejs/node/pull/16835
* dgram:
  - added socket.setMulticastInterface() (Will Young)
    https://github.com/nodejs/node/pull/7855
* http:
  - add agent.keepSocketAlive and agent.reuseSocket as to allow
    overridable keep-alive behavior of `Agent` (Fedor Indutny)
    https://github.com/nodejs/node/pull/13005
* lib:
  - return this from net.Socket.end() (Sam Roberts)
    https://github.com/nodejs/node/pull/13481
* module:
  - add builtinModules api that provides list of all builtin modules in
    Node (Jon Moss)
    https://github.com/nodejs/node/pull/16386
* net:
  - return this from getConnections() (Sam Roberts)
    https://github.com/nodejs/node/pull/13553
* promises:
  - more robust stringification for unhandled rejections (Timothy Gu)
    https://github.com/nodejs/node/pull/13784
* repl:
  - improve require() autocompletion (Alexey Orlenko)
    https://github.com/nodejs/node/pull/14409
* src:
  - add openssl-system-ca-path configure option (Daniel Bevenius)
    https://github.com/nodejs/node/pull/16790
  - add --use-bundled-ca --use-openssl-ca check (Daniel Bevenius)
    https://github.com/nodejs/node/pull/12087
  - add process.ppid (cjihrig)
    https://github.com/nodejs/node/pull/16839
* tls:
  - accept `lookup` option for `tls.connect()` (Fedor Indutny)
    https://github.com/nodejs/node/pull/12839
* tools, build:
  - a new macOS installer! (JP Wesselink)
    https://github.com/nodejs/node/pull/15179
* url:
  - WHATWG URL api support (James M Snell)
    https://github.com/nodejs/node/pull/7448
* util:
  - add %i and %f formatting specifiers (Roman Reiss)
    https://github.com/nodejs/node/pull/10308

PR-URL: https://github.com/nodejs/node/pull/18342