Emacs: Company tweaks.
Emacs: Use a git version of Org-mode.

This fixes a bug I'd been seeing.
https://emacs.stackexchange.com/questions/5461/fix-org-fontification-error

Additional thanks to Sacha:
https://github.com/sachac/.emacs.d/blob/gh-pages/Sacha.org#about-this-file
Emacs: More use bind-keys.