Only auto-open new or stalled tickets on replies from non-requestors

All other transitions to open must be explicit.  The general consensus
from authors is that this is preferable and creates less busy work.
Provide actions for moving from patched to open and resolved

Patched was added but no transitions were defined out.
Remove "Extract Article" from the ticket action menu

rt.cpan.org doesn't use articles, and there's no core rights check
guarding this menu action.