Use submoduled helm

HEAD is apparently broken wrt headlines. `helm-clojure-headlines` shows
no results.
Revert commit that broke headlines

There's a PR open against helm for this, so we'll see what happens in
the long run.
add inf-clojure to emacs modes

inf-clojure seems to suck rn, but it definitely should not be evil
add inf-clojure
why not?
yeah, I edit Vagrantfile sometimes
Ok yeah I like ido faces
change the font
wtf was this doing here
Update headlines for new helm version