use  calClosestApproachTracks
 hasGoodKstarZeorVertex
add kst vertex check
hasGoodKstarNeutralVertex
rename compute to cal
add time monitor
add K*0 mass comments
add mass cut
hasGoodBdVertex
move the sequence out
move the main sequence out
add cut for Bd bar
add save dimu variables
can run without save the vertexFittree
save tree only when have events
add h_events
use the default sequence to load the kshort
use loose Kshort
use loose kshort cut