Bug in start/finish option experiment.  Refs #9845, #9648.
Bug in start/finish option experiment.  Refs #9845, #9648.

git-svn-id: 2159781fc7c14c6bdd1f7e265daf7a25099c31e7@12764 7322e99d-02ea-0310-aa39-e9a107903beb

trac-hacks/trac-jsGantt,trac-hacks/trac-jsGantt,trac-hacks/trac-jsGantt