Bring Brandon's dotfiles over to Matias' repo.
Uncomment vault code
Moved most aliases and functions out of extra and in to source control. Leave ~/.extra for stuff you want to change without pushing/pulling
Update slate to be cleaner, and have more intuitive keys. Update aliases to include what you expect (and remove some cruft from github clone
Automatically adds `bundle exec` to appropriate commands (and only when
it should) to avoid having to remember. Replaces similar plugin
functionality in oh-my-zsh.

Need to source the function
Implement 'gco' alias