Update oh-my-zsh
Add Heroku toolbelt path
Unify split nav with vim-tmux-navigator

Change clear-screen shortcut to C-O
Comment tmux conf
Ctrl-Z to foreground
Space for vim leader
Add some vim shortcuts
Organize vim special keys
base16-railscasts color scheme
Switch to leader-W for write in normal mode
Add cursor line highlighting
Vim: remap ; to : (h/t Damian Conway)
Add gV to select last inserted text h/t Doug Black
Turn on modelines