Add a 'serialNumber' property to the object that is returned by
tls.CryptoStream#getPeerCertificate().  Contains the certificate's
serial number encoded as a hex string.  The format is identical to
`openssl x509 -serial -in path/to/certificate`.

Fixes #6583.

Format negative zero as '-0' instead of as '0', as it does not behave
identically to positive zero. ((-0).toString() still returns '0' as
required by ES5 9.8.1.2).

Fixes joyent/node#6548.
Closes joyent/node#6550.

Pending review of https://codereview.appspot.com/31500043/

Fixes #6576.

context._asyncQueue shouldn't be exposed as asyncQueue, as it allows
modification of queues already attached to an event. Which is not
supposed to happend. Instead context._asyncQueue should be copied.

Clarify that an 'error' event may or may not be followed by an 'exit'
event and that it's not safe to make assumptions either way.

Check that `listeners` is actually an array before trying to manipulate it
because it won't be if no regular event listeners have been registered yet
but there are 'removeListener' event listeners.

Removing the depth counter while processing the nextTickQueue made it
possible to run out of memory if in an infinite recursive loop using
nextTick(). There was also an edge case where too many callbacks were
pushed onto the nextTickQueue, while not actually being recursive.

This is being done to prevent possible cryptic FATAL ERROR messages from
popping up, and issues being posted about them.

* uv: upgrade to v0.11.15 (Timothy J Fontaine)

* v8: upgrade to 3.22.24.5 (Timothy J Fontaine)

* buffer: remove warning when no encoding is passed (Trevor Norris)

* build: make v8 use random seed for hash tables (Ben Noordhuis)

* crypto: build with shared openssl without NPN (Ben Noordhuis)

* crypto: update root certificates (Ben Noordhuis)

* debugger: pass on v8 debug switches (Ben Noordhuis)

* domain: use AsyncListener API (Trevor Norris)

* fs: add recursive subdirectory support to fs.watch (Nick Simmons)

* fs: make fs.watch() non-recursive by default (Ben Noordhuis)

* http: cleanup freeSockets when socket destroyed (fengmk2)

* http: force socket encoding to be null (isaacs)

* http: make DELETE requests set `req.method` (Nathan Rajlich)

* node: add AsyncListener support (Trevor Norris)

* src: remove global HandleScope that hid memory leaks (Ben Noordhuis)

* tls: add ECDH ciphers support (Erik Dubbelboer)

* tls: do not default to 'localhost' servername (Fedor Indutny)

* tls: more accurate wrapping of connecting socket (Fedor Indutny)

Conflicts:
	lib/events.js
	src/udp_wrap.cc

After the uv upgrade, uv_spawn will now fail faster for certain
failures like ENOENT. However, our tests and other people may be
depending on that error being passed to the callback instead of a
throw.

The TryCatch was not being checked after calling the unload asyncQueue
callback in AsyncWrap::MakeCallback.

This is a cherry-pick of commit joyent/libuv@0520464.

Add NOTE section in documentation, mentioning that `randomBytes` won't
block when entropy sources are drained.

fix #6372

`Socket` no longer accepts `type` option, and also accepts `readable`,
`writable` options.

fix #6541

v8's `messages.js` file's `CallSiteGetMethodName` is running through all
object properties and getter to figure out method name of function that
appears in stack trace. This run-through will also read `fd` property of
`UDPWrap` instance's javascript object, making `UNWRAP()` fail.

As a simple alternative to the test case above, one could just keep
reference to the dgram handle and try accessing `handle.fd` after it has
been fully closed.

fix #6536

Conflicts:
	AUTHORS
	ChangeLog
	deps/uv/AUTHORS
	deps/uv/ChangeLog
	deps/uv/README.md
	deps/uv/build.mk
	deps/uv/src/unix/core.c
	deps/uv/src/unix/darwin-proctitle.c
	deps/uv/src/unix/darwin.c
	deps/uv/src/unix/fsevents.c
	deps/uv/src/unix/udp.c
	deps/uv/src/version.c
	deps/v8/src/platform-solaris.cc
	deps/v8/test/cctest/test-api.cc
	lib/tls.js
	src/node.h
	src/node_version.h

Before this commit, passing --debugger and other V8 debug switches to
node.js made node print a usage message and exit.

Rewrite the debug argument parser so it only consumes switches that we
understand and pass everything else as-is to V8.

A side effect of this change is that switches like --debugger_agent and
--debugger_port now work.  That kind of obsoletes our debugger switches
because they implement pretty much the same functionality but let's
leave them in for now for the sake of convenience and backwards
compatibility.

Fixes #6526.

In many cases values expected to be unsigned were converted to a signed
integer.

Also include some small code cleanup.

Fixes #6490

Buffer#write() was showing the deprecation warning when only
buf.write('string') was passed. This is incorrect since the encoding is
always optional.

Argument order should follow:
  Buffer#write(string[, offset[, length]][, encoding])

(yeah, not confusing at all)

Node.js.  It's not just for SF hipsters anymore.

This commit introduces some long lines but it's HTML so it's okay.

Add HasExternalData API to check if Object has externally allocated
memory, and accompanying tests.

Emitting an event within a `EventEmitter#once` callback of the same
event name will cause subsequent `EventEmitter#once` listeners of the
same name to be called multiple times.

    var emitter = new EventEmitter();

    emitter.once('e', function() {
      emitter.emit('e');
      console.log(1);
    });

    emitter.once('e', function() {
      console.log(2);
    });

    emitter.emit('e');

    // Output
    // 2
    // 1
    // 2

Fix the issue, by calling the listener method only if it was not
already called.

BaseObject is a class that just handles the Persistent handle attached
to the class instance.

This also removed WeakObject. Reordering the inheritance chain helps
prevent unneeded calls on instances that don't call MakeCallback.