bootstrap antigen
Use the zsh-syntax-highlighting antigen bundle
Switch from custom git aliases to oh-my-zsh version
Add more antigen stuff

- use the oh-my-zsh lib
- add completions and substring search
- add bindings for substring search
Swap out custom theme for ys

Also clean up all the custom git/hg status stuff
Use oh-my-zsh's version of waiting dots
Turn on the brew plugin
Fix completions and add zsh-vim-mode
Add z antigen bundle
Remove dir stuff, it's included in oh-my-zsh
Use rvm bundle, delete manual zsh-completions loading
Use the extract plugin
Remove ssh_hosts completion, covered by oh-my-zsh
Add git-extras plugin
Remove list-colors completion, seems to be handled by oh-my-zsh