dgram: fix abort when getting `fd` of closed dgram

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
net: fix `new net.Socket` documentation

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

fix #6541
events: do not accept NaN in setMaxListeners
crypto: `randomBytes` is non-blocking

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

fix #6372
npm: Upgrade to v1.3.15
Merge remote-tracking branch 'upstream/v0.10'

Conflicts:
	lib/events.js
	src/udp_wrap.cc
2013.11.20, Version 0.11.9 (Unstable)

* 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)
Merge branch 'v0.11.9-release'
Now working on 0.11.10
node: allow nextTick infinite recursion

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.