add missing samples for hft

Details:
- comment out single top s-chan W (108343, 108344, 108345)
- add tZ, ttgam (179991, 179992, 169704, 169705, 169706)
- add gg2ZZ 4l (179396)
- add llll_ZZ (126894)
update chargeflip call

Details:
updating the call to the charge flip package. New parametrization +
new maps + new smearing.
Now using trunk @ 147950, that is ChargeFlip-00-00-19 + latest qflip
overlap factor.
define SsPassFlags::passKinCriteria()
implement SusySelection::isEventForHft() and store more events in hft
put back several syst