p20.10.00 build 2 - 4 June 07

d0root_btag               p20-br-06 <- p20-br-05
   Make sure that vertex probability is positive, even if vertex
   isn't found.
met_dq                    p20-br-02 <- v01-01-02
   add some run2b v15 triggers in the run monitoring for the
   jets+met topology
smtdigi                   p20-br-08 <- p20-br-07
   Fix memory leak by deleting copy of SMT data for each event
     From Alex Melnitchouk