Also enable stacktraces in *nrepl* buffer
Actually save pscratch buffers (now in the tmp dir)
tidy whitespace
remove nrepl stack trace popup for now (still seems to be a bit buggy)
update nrepl
add handy until fn live-indent-defun to indent the current defun
Prepare for BETA-22
Update live packs based on previous development. See recent commits for history.
Merge branch 'master' of https://github.com/overtone/emacs-live