2015-06-13 io.js v2.3.0 Release

Notable Changes:

* libuv: Upgraded to 1.6.0 and 1.6.1, see full ChangeLog for details.
  (Saúl Ibarra Corretgé) #1905 #1889. Highlights include:
  - Fix TTY becoming blocked on OS X
  - Fix UDP send callbacks to not to be synchronous
  - Add uv_os_homedir() (exposed as os.homedir(), see below)
* npm: See full release notes for details. (Kat Marchán) #1899. Highlight:
  - Use GIT_SSH_COMMAND (available as of Git 2.3)
* openssl:
  - Upgrade to 1.0.2b and 1.0.2c, introduces DHE man-in-the-middle protection
    (Logjam) and fixes malformed ECParameters causing infinite loop
    (CVE-2015-1788). See the security advisory for full details.
    (Shigeki Ohtsu) #1950 #1958
  - Support FIPS mode of OpenSSL, see README for instructions.
    (Fedor Indutny) #1890
* os: Add os.homedir() method. (Colin Ihrig) #1791
* smalloc: Deprecate whole module. (Vladimir Kurchatkin) #1822
* Add new collaborators:
  - Alex Kocharin (@rlidwka)
  - Christopher Monsanto (@monsanto)
  - Ali Ijaz Sheikh (@ofrobots)
  - Oleg Elifantiev (@Olegas)
  - Domenic Denicola (@domenic)
  - Rich Trott (@Trott)