2016-12-06, Version 4.7.0 'Argon' (LTS)

This LTS release comes with 108 commits. This includes 30 which are doc
related, 28 which are test related, 16 which are build / tool related,
and 4 commits which are updates to dependencies.

Notable Changes:

The SEMVER-MINOR changes include:

* build:
  - export openssl symbols on Windows making it possible to build
    addons linked against the bundled version of openssl (Alex Hultman)
    #7576
* debugger:
  - make listen address configurable in the debugger server
    (Ben Noordhuis) #3316
* dgram:
  - generalized send queue to handle close fixing a potential throw
    when dgram socket is closed in the listening event handler.
    (Matteo Collina) #7066
* http:
  - Introduce the 451 status code "Unavailable For Legal Reasons"
    (Max Barinov) #4377
* tls:
  - introduce `secureContext` for `tls.connect` which is useful for
    caching client certificates, key, and CA certificates.
    (Fedor Indutny) #4246

Notable SEMVER-PATCH changes include:

* build:
  - introduce the configure --shared option for embedders (sxa555)
    #6994
* gtest:
  - the test reporter now outputs tap comments as yamlish
    (Johan Bergström) #9262
* src:
  - node no longer aborts when c-ares initialization fails
    (Ben Noordhuis) #8710
* tls:
  - fix memory leak when writing data to TLSWrap instance during
    handshake (Fedor Indutny)
    #9586

PR-URL: #9736