Switch from nrepl.el to cider.
Copy in cider-compatible clojure-test-mode.
Fill at 80 column by default.
Drop old work signature (how did that get there?).
Some Clojure tweaks.
Dir-locals should not usually be under version control.
Auto-load clojure-test-mode after clojure-mode.
Generalize whitespace hook to a coding hook.