Fix homebrew conditional
Add rcm

The rcm suite of tools are used to manage dotfiles. They can symlink
dotfiles from a repo into your homedir, turn an existing configuration
file into a symlinked dotfile, and in general make it easy to try new
dotfile repos.
Add personal version of thoughtbot laptop

* Oh-my-zsh and zsh-syntax-highlighter
* Cmake and Tmux-mem-cpu-load
* Node.js and MongoDB
* Python and Colout (Mac)
* Add ruby 2.1 (default still 2.0)
* hub
* Personal dotfiles

TODO:
  - Consider standalone npm (not from node)
  - Postgres user and database init
  - Test full scripts