2015-03-02 io.js v1.4.3 Release

Notable changes:

* stream: Fixed problems for platforms without `writev()` support,
  particularly Windows. Changes introduced in 1.4.1, via
  https://github.com/iojs/io.js/pull/926, broke some
  functionality for these platforms, this has now been addressed.
  https://github.com/iojs/io.js/pull/1008 (Fedor Indutny)
* arm: We have the very beginnings of ARMv8 / ARM64 / AARCH64
  support. An upgrade to OpenSSL 1.0.2 is one requirement for full
  support. https://github.com/iojs/io.js/pull/1028
  (Ben Noordhuis)
* Add new collaborator: Julian Duque @julianduque