Add thoughtbot's dotfiles to the list.
Add thoughtbot's dotfiles to the list.

Figured since thoughtbot's rcm is on the list, their dotfiles should be as well!
dotfiles/dotfiles.github.com,dotfiles/dotfiles.github.com,unixorn/dotfiles.github.com,unixorn/dotfiles.github.com,unixorn/dotfiles.github.com,unixorn/dotfiles.github.com,dotfiles/dotfiles.github.com,dotfiles/dotfiles.github.com,unixorn/dotfiles.github.com,dotfiles/dotfiles.github.com