Notable changes:
* npm: upgrade npm to 2.7.5. See the npm CHANGELOG.md for details.
Includes two important security fixes.
https://github.com/npm/npm/blob/master/CHANGELOG.md#v275-2015-03-26
* openssl: preliminary work has been done for an upcoming upgrade to
OpenSSL 1.0.2a #1325 (Shigeki Ohtsu). See #589 for additional details.
* timers: a minor memory leak when timers are unreferenced was fixed,
alongside some related timers issues #1330 (Fedor Indutny). This
appears to have fixed the remaining leak reported in #1075.
* android: it is now possible to compile io.js for Android and related
devices #1307 (Giovanny Andres Gongora Granada).
* **npm**: upgrade npm to 2.7.5. See [npm CHANGELOG.md](https://github.com/npm/npm/blob/master/CHANGELOG.md#v275-2015-03-26) for details. Includes two important security fixes. Summary:
[#7746](https://github.com/npm/npm/issues/7746) Only fix up git URL paths when
there are paths to fix up. ([@othiym23](https://github.com/othiym23))
* **openssl**: preliminary work has been done for an upcoming upgrade to OpenSSL 1.0.2a [#1325](https://github.com/iojs/io.js/pull/1325) (Shigeki Ohtsu). See [#589](https://github.com/iojs/io.js/issues/589) for additional details.
* **timers**: a minor memory leak when timers are unreferenced was fixed, alongside some related timers issues [#1330](https://github.com/iojs/io.js/pull/1330) (Fedor Indutny). This appears to have fixed the remaining leak reported in [#1075](https://github.com/iojs/io.js/issues/1075).
* **android**: it is now possible to compile io.js for Android and related devices [#1307](https://github.com/iojs/io.js/pull/1307) (Giovanny Andres Gongora Granada).
### Known issues
* Some problems with unreferenced timers running during `beforeExit` are still to be resolved. See [#1264](https://github.com/iojs/io.js/issues/1264).
* Surrogate pair in REPL can freeze terminal [#690](https://github.com/iojs/io.js/issues/690)
* Not possible to build io.js as a static library [#686](https://github.com/iojs/io.js/issues/686)
* `process.send()` is not synchronous as the docs suggest, a regression introduced in 1.0.2, see [#760](https://github.com/iojs/io.js/issues/760) and fix in [#774](https://github.com/iojs/io.js/issues/774)
* Calling `dns.setServers()` while a DNS query is in progress can cause the process to crash on a failed assertion [#894](https://github.com/iojs/io.js/issues/894)
* [[`65d4d25f52`](https://github.com/io.js/io.js/commit/65d4d25f52)] - **build**: default to armv7+vfpv3 for android (Giovanny Andres Gongora Granada) [iojs/io.js#1307](https://github.com/iojs/io.js/pull/1307)
* [[`dac903f9b6`](https://github.com/io.js/io.js/commit/dac903f9b6)] - **deps**: make node-gyp work with io.js (cjihrig) [iojs/io.js#990](https://github.com/iojs/io.js/pull/990)
* [[`5eb983e0b3`](https://github.com/io.js/io.js/commit/5eb983e0b3)] - **deps**: upgrade npm to 2.7.5 (Forrest L Norvell) [iojs/io.js#1337](https://github.com/iojs/io.js/pull/1337)
* [[`008078862e`](https://github.com/io.js/io.js/commit/008078862e)] - **deps**: check in gtest, add util unit test (Ben Noordhuis) [iojs/io.js#1199](https://github.com/iojs/io.js/pull/1199)
* [[`48d69cf1bb`](https://github.com/io.js/io.js/commit/48d69cf1bb)] - ***Revert*** "**doc**: fix typo in CHANGELOG.md" (Giovanny Andres Gongora Granada) [iojs/io.js#1349](https://github.com/iojs/io.js/pull/1349)
* [[`679596c848`](https://github.com/io.js/io.js/commit/679596c848)] - **doc**: add Docker WG (Peter Petrov) [iojs/io.js#1134](https://github.com/iojs/io.js/pull/1134)
* [[`d8578bad25`](https://github.com/io.js/io.js/commit/d8578bad25)] - **doc**: fix minor typos in COLLABORATOR_GUIDE.md (Kelsey) [iojs/io.js#1320](https://github.com/iojs/io.js/pull/1320)
* [[`bde2b3e397`](https://github.com/io.js/io.js/commit/bde2b3e397)] - **doc**: fix typo in CHANGELOG.md (Giovanny Andres Gongora Granada) [iojs/io.js#1342](https://github.com/iojs/io.js/pull/1342)
* [[`b6e22c4bd5`](https://github.com/io.js/io.js/commit/b6e22c4bd5)] - **src**: setup cluster workers before preloading (Ali Ijaz Sheikh) [iojs/io.js#1314](https://github.com/iojs/io.js/pull/1314)
* [[`4a801c211c`](https://github.com/io.js/io.js/commit/4a801c211c)] - **src**: drop homegrown thread pool, use libplatform (Ben Noordhuis) [iojs/io.js#1329](https://github.com/iojs/io.js/pull/1329)
* [[`f1e5a13516`](https://github.com/io.js/io.js/commit/f1e5a13516)] - **src**: wrap MIN definition in infdef (Johan Bergström) [iojs/io.js#1322](https://github.com/iojs/io.js/pull/1322)
* [[`6f72d87c27`](https://github.com/io.js/io.js/commit/6f72d87c27)] - **test**: add test for a unref'ed timer leak (Fedor Indutny) [iojs/io.js#1330](https://github.com/iojs/io.js/pull/1330)
* [[`d22b2a934a`](https://github.com/io.js/io.js/commit/d22b2a934a)] - **timers**: do not restart the interval after close (Fedor Indutny) [iojs/io.js#1330](https://github.com/iojs/io.js/pull/1330)
* [[`cca5efb086`](https://github.com/io.js/io.js/commit/cca5efb086)] - **timers**: don't close interval timers when unrefd (Julien Gilli)
* [[`eb459c8151`](https://github.com/io.js/io.js/commit/eb459c8151)] - **tools**: fix gyp to work on MacOSX without XCode (Shigeki Ohtsu) [iojs/io.js#1325](https://github.com/iojs/io.js/pull/1325)
* [[`1e94057c05`](https://github.com/io.js/io.js/commit/1e94057c05)] - **url**: fix resolving from non-file to file URLs. (Jeffrey Jagoda) [iojs/io.js#1277](https://github.com/iojs/io.js/pull/1277)