Squashed 'emacs.d/evil/' content from commit fa74480

git-subtree-dir: emacs.d/evil
git-subtree-split: fa744803685448053b77fbb544d36a3bcb50604a
Merge commit '2f4de00d1150ee31d5e78dede5fde95daf1ac3c2' as 'emacs.d/evil'
Enabled evil mode in emacs for modal editing and vim keybindings.