efficiency dependence on strip number an pt

create a python script file " triggerEfficiencyVsPhi.py" , to analyse the efficiency dependence on phi or strip number
add several histograms as a function of strip number in plugins/GEMCSCTriggerEfficiency.cc and its head file
add several histograms as a function of Pt in plugins/GEMCSCTriggerEfficiency.cc and its head file