Merge pull request #465 from gtrak/master

re #462 - jump-to-def via 'info' op
Docstring fixes
Update copyrights for 2014
[Fix #439] Add a workaround for race condition bug in cider-restart
[Fix #441] Workaround for the timing bug in cider-jack-in
Document the cider-version var
sleep -> sleep-for
Use a bit of sleep instead an idle timer to avoid ns init problems
Remove idle timer
Use clojure.stacktrace/print-cause-trace

When displaying exceptions without clj-stacktrace, use print-cause-trace
rather than print-stack-trace, so that the exception chain is displayed.
Merge pull request #476 from hugoduncan/feature/use-print-cause-trace

Use clojure.stacktrace/print-cause-trace