Modify trac workflow to include "Needs a test written" state

[kcr@…]

There should be an open state for tickets that expresses "There was
a fix commited, but someone should still write a regression tests."

(Yes, you should write the tests before running with the fix, but
our test infrastructure isn't There yet)

[broder@…]

If you want a config snippet, this isn't hard to do with Trac 0.11. Here's what Debathena uses for our "proposed" state:

proposed = new,assigned,accepted,reopened,development-> proposed
proposed.name = upload fix to -proposed
proposed.permissions = TICKET_MODIFY

(The LHS is an action, not a state)