Make sure everything is styled properly

[leavesofgrass]

Most of the elisp in the repo is pretty clean, but there are some older bits that could use some polish to conform to the style guide.

https://github.com/bbatsov/emacs-lisp-style-guide

This is mostly cleaning up whitespace.

[leavesofgrass]

Whitespace is mostly good but tabs could be better in some functions.