Added live-set-default-font

live-set-default-font changes the default font and updates all windows
if emacs is running in XWindows, Win32, or NS drawing systems.

live-set-default-darwin-font calls live-set-default-font only if running
in drawin.

Menlo is only set on drawin.
Merge pull request #94 from rothmichaels/darwin-font

Added live-set-default-font
Fix spelling issue
update dependencies
add GPL v3 license
Add new fn live-persistent-scratch-buffer for creating a new *saved* empty buffer (no more losing work done in non-file-backed buffers)
Get stack traces working with nrepl.el and popwin - at looong last! :-)
update clojure-mode
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.