2016-05-05, Version 6.1.0 (Current)

* assert: `deep{Strict}Equal()` now works correctly with circular
references. (Rich Trott) https://github.com/nodejs/node/pull/6432
* debugger: Arrays are now formatted correctly in the debugger repl.
(cjihrig) https://github.com/nodejs/node/pull/6448
* deps: Upgrade OpenSSL sources to 1.0.2h (Shigeki Ohtsu)
https://github.com/nodejs/node/pull/6550
- Please see our blog post for more info on the security contents of
this release:
- https://nodejs.org/en/blog/vulnerability/openssl-may-2016/
* net: Introduced a `Socket#connecting` property. (Fedor Indutny)
https://github.com/nodejs/node/pull/6404
- Previously this information was only available as the undocumented,
internal `_connecting` property.
* process: Introduced `process.cpuUsage()`. (Patrick Mueller)
https://github.com/nodejs/node/pull/6157
* stream: `Writable#setDefaultEncoding()` now returns `this`.
(Alexander Makarenko) https://github.com/nodejs/node/pull/5040
* util: Two new additions to `util.inspect()`:
- Added a `maxArrayLength` option to truncate the formatting of
Arrays. (James M Snell) https://github.com/nodejs/node/pull/6334
- This is set to `100` by default.
- Added a `showProxy` option for formatting proxy intercepting
handlers. (James M Snell) https://github.com/nodejs/node/pull/6465
- Inspecting proxies is non-trivial and as such this is off by
default.

PR-URL: https://github.com/nodejs/node/pull/6557