Pass "act/est" as percent complete.  Refs #9301.
Pass "act/est" as percent complete.  Refs #9301.

The chart doesn't yet do anything with this data.  (The tasks show up
the same.)

git-svn-id: 2159781fc7c14c6bdd1f7e265daf7a25099c31e7@10823 7322e99d-02ea-0310-aa39-e9a107903beb

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