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.
Updating some libs.
Rehash rbenv after installing gems.
Adding homebrew recipe ssh-copy-id.
Adding cowsay to ubuntu.
Updating readme.
Live dangerously, I say.
Fixing a minor globbing bug.
Skip the "Press enter to continue…" prompt.
Update ack lib.
Cleaning up README.
OS X: Set htop permissions properly.
OS X: Install bash 4.
Slightly more readable brew recipe list.