* require() improvements (isaacs)
- understand package.json (isaacs)
- look for 'node_modules' dir
* cmake fixes (Daniel Gröber)
* http: fix buffer writes to outgoing messages (Russell Haering)
* Expose UCS-2 Encoding (Konstantin Käfer)
* Support strings for octal modes (isaacs)
* Support array-ish args to Buffer ctor (isaacs)
* cygwin and mingw improvements (Bert Belder)
* TLS improvements
* Fewer syscalls during require (Bert Belder, isaacs)
* More DTrace probes (Bryan Cantrill, Robert Mustacchi)
* 'pipe' event on pipe() (Mikeal Rogers)
* CRL support in TLS (Theo Schlossnagle)
* HTTP header manipulation methods (Tim Caswell, Charlie Robbins)
* Upgrade V8 to 3.1.2