2016-05-06 Version 0.12.14 (Maintenance) Release

Notable changes:

* npm: Correct erroneous version number in v2.15.1 code
  (Forrest L Norvell) https://github.com/nodejs/node/pull/5988
* openssl: Upgrade to v1.0.1t, addressing security vulnerabilities
  (Shigeki Ohtsu) https://github.com/nodejs/node/pull/6553
  - Fixes CVE-2016-2107 "Padding oracle in AES-NI CBC MAC check"
  - Fixes CVE-2016-2105 "EVP_EncodeUpdate overflow"
  - See https://nodejs.org/en/blog/vulnerability/openssl-may-2016/
    for full details