Trying window-number mode.
Lose paredit from ruby-mode. Try rubocop as compilation command.
Remove longlines-mode from markdown-mode-hook.
Removing comment auto-fill.
Trying blackboard theme https://github.com/don9z/blackboard-theme, with modified obvious modeline.
gitignore.
Installing powerline. Modifying themes to avoid stomping nice, obvious default powerline mode-line color.