2015-07-04 io.js v1.8.3 Release

Maintenance release

Notable Changes:

* v8: Fixed an out-of-band write in utf8 decoder. This is an important
  security update as it can be used to cause a denial of service
  attack.
* 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
* build:
  - Added support for compiling with Microsoft Visual C++ 2015
  - Started building and distributing headers-only tarballs along with
    binaries