Refs: #2952.

* Windows: Many libuv test fixes (Bert Belder)

* Windows: avoid uv_guess_handle crash in when fd < 0 (Bert Belder)

* Map EBUSY and ENOTEMPTY errors (Bert Belder)

* Windows: include syscall in fs errors (Bert Belder)

* Fix fs.watch ENOSYS on Linux kernel version mismatch (Ben Noordhuis)

* Update npm to 1.1.9
  - upgrade node-gyp to 0.3.5 (Nathan Rajlich)
  - Fix isaacs/npm#2249 Add cache-max and cache-min configs
  - Properly redirect across https/http registry requests
  - log config usage if undefined key in set function (Kris Windham)
  - Add support for os/cpu fields in package.json (Adam Blackburn)
  - Automatically node-gyp packages containing a binding.gyp
  - Fix failures unpacking in UNC shares
  - Never create un-listable directories
  - Handle cases where an optionalDependency fails to build

* Upgrade V8 to 3.6.6.24

* dtrace ustack helper improvements (Dave Pacheco)

* API Documentation refactor (isaacs)

* #2827 net: fix race write() before and after connect() (koichik)

* #2554 #2567 throw if fs args for 'start' or 'end' are strings (AJ ONeal)

* punycode: Update to v1.0.0 (Mathias Bynens)

* Make a fat binary for the OS X pkg (isaacs)

* Fix hang on accessing process.stdin (isaacs)

* repl: make tab completion work on non-objects (Nathan Rajlich)

* Fix fs.watch on OS X (Ben Noordhuis)

* Fix #2515 nested setTimeouts cause premature process exit (Ben Noordhuis)

* windows: fix time conversion in stat (Igor Zinkovsky)

* windows: fs: handle EOF in read (Brandon Philips)

* windows: avoid IOCP short-circuit on non-ifs lsps (Igor Zinkovsky)

* Upgrade npm to 1.1.4 (isaacs)
  - windows fixes
  - Bundle nested bundleDependencies properly
  - install: support --save with url install targets
  - shrinkwrap: behave properly with url-installed modules
  - support installing uncompressed tars or single file modules from urls etc.
  - don't run make clean on rebuild
  - support HTTPS-over-HTTP proxy tunneling