ENG-4729 web.studio: render timestamsps in a human-readable format
ENG-4729 update with john's review comments
ENG-5340.  Change looping wait to 100ms to improve csvloader teardown time.
Merge branch 'release-3.7'

Conflicts:
	src/frontend/org/voltdb/studio/js/queryui.js
Junit will run with -XX:-UseSplitVerifier to make Emma run in Java7.