Merge pull request #74 from pcasaretto/fix-grc-brew-testing

Fixes grc.zsh brew testing
Load .localrc before .zsh files

My .localrc loads Boxen details, which has Homebrew installs
in it. Loading it after .zsh files get loaded means I can't
get stuff like the grc suite detected on my path
Merge branch 'master' of https://github.com/holman/dotfiles into holman
Merge branch 'holman'