* Upgrade V8 to 3.11.1

* Upgrade npm to 1.1.23

* uv: rework reference counting scheme (Ben Noordhuis)

* uv: add interface for joining external event loops (Bert Belder)

* repl, readline: Handle Ctrl+Z and SIGCONT better (Nathan Rajlich)

* fs: 64bit offsets for fs calls (Igor Zinkovsky)

* fs: add sync open flags 'rs' and 'rs+' (Kevin Bowman)

* windows: enable creating directory junctions with fs.symlink (Igor Zinkovsky, Bert Belder)

* windows: fix fs.lstat to properly detect symlinks. (Igor Zinkovsky)

* Fix #3270 Escape url.parse delims (isaacs)

* http: make http.get() accept a URL (Adam Malcontenti-Wilson)

* Cleanup vm module memory leakage (Marcel Laverdet)

* Optimize writing strings with Socket.write (Bert Belder)

* add support for CESU-8 and UTF-16LE encodings (koichik)

* path: add path.sep to get the path separator. (Yi, EungJun)

* net, http: add backlog parameter to .listen() (Erik Dubbelboer)

* debugger: support mirroring Date objects (Fedor Indutny)

* addon: add AtExit() function (Ben Noordhuis)

* net: signal localAddress bind failure in connect (Brian Schroeder)

* util: handle non-string return value in .inspect() (Alex Kocharin)