* npm: Upgrade to 1.1.69

* fs: fix WriteStream/ReadStream fd leaks (Ben Noordhuis)

* crypto: fix leak in GetPeerCertificate (Fedor Indutny)

* buffer: Don't double-negate numeric buffer arg (Trevor Norris)

* net: More accurate IP address validation and IPv6 dotted notation. (Joshua Erickson)

Close the file descriptor when a write operation fails.

Fixes #4387.

Close the file descriptor when a read operation fails.

Fixes #4387.

Verifies that the callback gets invoked <n> times during the lifetime of the
test script.

This is a back-port of commit d0e6c3f5 from the master branch.

Fixes #4384.

This is a back-port of upstream gyp commit r1482.

Man pages go into $PREFIX/man on FreeBSD, not $PREFIX/share/man.

Fix #4331

Using double negate forces values into 32bit space. Because of this
Math.ceil needs to be used. Since NaN comparisons are always false, use
that to our advantage to return 0 if it is.

Also added two tests to verify the changes.

* Added isIP method to make use of inet_pton to cares_wrap.cc
* Modified net.isIP() to make use of new C++ isIP method.
* Added new tests to test-net-isip.js.

This is a back-port of commit fb6377eb from the master branch.

* npm: Upgrade to 1.1.66 (isaacs)

* linux: use /proc/cpuinfo for CPU frequency (Ben Noordhuis)

* windows: map WSAESHUTDOWN to UV_EPIPE (Ben Noordhuis)

* windows: map ERROR_GEN_FAILURE to UV_EIO (Bert Belder)

* unix: do not set environ unless one is provided (Charlie McConnell)

* domains: don't crash if domain is set to null (Bert Belder)

* windows: fix the x64 debug build (Bert Belder)

* net, tls: fix connect() resource leak (Ben Noordhuis)

The 'secureConnect' event listener was attached with .on(), which blocked it
from getting garbage collected. Use .once() instead.

Fixes #4308.

The 'connect' event listener was attached with .on(), which blocked it from
getting garbage collected. Use .once() instead.

Fixes #4308.

This causes too many people to ask me why it's broken.

That Buffers can be used with Typed Array Views and DataViews. Included
are a couple simple examples.

Closes #4257.

Closes #4256

The documentation for http.request and https.request states that
`hostname` is preferred over `host` so the code examples should
use that option name.

* events: Don't clobber pre-existing _events obj in EE ctor (isaacs)