Add IDE files to gitignore: Sublime and IDEA atlassian plugin.
Make sure ls gives human readable file sizes.
Add /usr/local/sbin to OSX /Users/dag/.rbenv/shims:/usr/local/sbin:/usr/local/bin:/Users/dag/.dotfiles/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/share/npm/bin:/usr/local/share/python:/Users/dag/.dotfiles/libs/rbenv/bin:/Users/dag/.dotfiles/libs/ruby-build/bin.
Add gr alias: cd into git root.