SAK-23624 Up the default number of rows to display to 100.

The default used to be at 10 which in most cases is very small and especially as only administrators use this tool starting at 100 seems much better.

git-svn-id: https://source.sakaiproject.org/svn/jobscheduler/trunk@132976 66ffb92e-73f9-0310-93c1-f5514f145a0a