meta data: throw exception when extension not recognized
update to SUSYTools-00-03-06
updated cutflow to produce multiple region cutflows
fixes for SUSYTools-00-03-12-04
added the track veto branches, also the new jet_sumPtTrk branch, and did some cleanup
smart chain: don't look for branches we didn't find first time around
branch cleanup: removed unused and fake_set sometimes used
add mc_channel_number (not used anywhwere, but will be)