Merge pull request #142 from dildick/master

clean-up of validation plotting machinery
Merge pull request #143 from dildick/master

add GEM chamber numbering
Update gemChamberNumbering.py
Update produceSimHitValidationPlots.py
Update GEMCSCAnalyzer.cc
Update runGEMCSCTriggerEfficiency_cfg.py
add option for EOS
use helper functions
Update runGEMCSCAnalyzer_cfg.py
use helper functions
Merge branch 'master' of git://github.com/gem-sw/GEMCode