* 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

* Update request to support HTTPS-over-HTTP proxy tunneling
* Throw on undefined envs in config settings
* Update which to 1.0.5
* Fix windows UNC busyloop in findPrefix
* Bundle nested bundleDependencies properly
* Alias adduser to add-user
* Doc updates  (Christian Howe, Henrik Hodne, Andrew Lunny)
* ignore logfd/outfd streams in makeEnv() (Rod Vagg)
* shrinkwrap: Behave properly with url-installed deps
* install: Support --save with url install targets
* Support installing naked tars or single-file modules from urls etc.
* init: Don't add engines section
* Don't run make clean on rebuild
* Added missing unicode replacement (atomizer)

Fixes #2852

The only test using this is test/simple/test-fs-chmod.js, and it was
treating a.js and a1.js as two separate files, resulting in a race
condition.  (Interestingly enough, it was *not* using the symlink file to
test lchmod, which uses a different temp file.)