Updating a few npm-related functions.
Adding some "eachdir" git commands.
Improved "eachdir" function, added "npm_linkall" function.
Updating nave to latest. So much better!
Now using linken for cross-repo npm linking.
Updated npm_link alias.
The "eachdir" function now accepts file lists or wildcards, like: eachdir *foo* -- "command to run".
Promoting "eachdir" to be its own bash script.
Updating eachdir to work with aliases/functions.
So sick of these damn .npmignore files.
A few misc npm / grunt utilities.
GitHub API tokens no longer supported. Closes gh-11.

https://github.com/blog/1090-github-api-moving-on
Moved .gitignore_global to link/ directory. Closes gh-10.
Updating nave submodule to v0.4.4.
Updating installed ruby versions.
Updating installed gems.
Updating brew installer and recipes.
Updating npm modules.
Fixed minor typo. Closes gh-18.
Added hg prompt to display mercurial branch/bookmark status. Closes gh-20.