Replacing .gitignore with one from mathiasbynens/dotfiles
Replacing .gitignore with one from mathiasbynens/dotfiles

This includes various additions and stops ignoring .swp files.

Original:

https://github.com/mathiasbynens/dotfiles/blob/master/.gitignore
alphabetum/dotfiles,alphabetum/dotfiles,alphabetum/dotfiles,alphabetum/dotfiles