now choose whether to let submitters of new bugs choose a priority, or whether
they should just accept the default priority (which is now no longer hardcoded
to "P2", but is instead a param.) The default value of the params will cause
the same behavior as before.
git-svn-id: svn://10.0.0.236/trunk@23264 18797224-902f-48f8-a5cc-f745e15eee43
