* TLS improvements.

* url.parse(url, true) defaults query field to {} (Jeremy Martin)

* Upgrade V8 to 3.0.4

* Handle ECONNABORT properly (Theo Schlossnagle)

* Fix memory leaks (Tom Hughes)

* Add os.cpus(), os.freemem(), os.totalmem(), os.loadavg() and other
  functions for OSX, Linux, and Cygwin. (Brian White)

* Fix REPL syntax error bug (GH-543), improve how REPL commands are
  evaulated.

* Use process.stdin instead of process.openStdin().

* Disable TLS tests when node doesn't have OpenSSL.