require `fgrep' as a tool.

fixes build on Haiku, noticed by diger in pkgsrc-users@.
Update nodejs to 0.10.10

Changes:
* uv: Upgrade to 0.10.10
* npm: Upgrade to 1.2.25
* url: Properly parse certain oddly formed urls (isaacs)
* stream: unshift('') is a noop (isaacs)
Updated lang/nodejs to 0.10.10