MORAY-358 use a livelier url to reference node-fast
MORAY-358 use a livelier url to reference node-fast

Reviewed by: David Pacheco <dap@joyent.com>
Approved by: David Pacheco <dap@joyent.com>

joyent/moray,joyent/moray,davepacheco/moray,davepacheco/moray