Do not bind ‘C-c n w’ to toogle Writeroom Mode

This causes an annoying conflict with the binding for widening
subtrees in some modes.  Simply using ‘M-x writeroom-mode’ will be
enough since I do not toggle the mode often enough anyways.
Org Mode: Disable Artbollocks Mode
Use the God Mode package

    https://github.com/chrisdone/god-mode
Use Easy Kill and bind it to ‘M-w’

    https://github.com/leoliu/easy-kill
Re-enable Powerline