Merged CMSSW_6_2_X_SLHC from repository cms-sw
Adding missing XML file with ECAL cable
change in GEM XML file names
Remove GEM hits from 'Phase-II without GEM' scenario
put customs in logical sequence
Do not use duplicate XML file names
Fix paths
remove old geometry customizations
Merge pull request #2192 from dildick/ge21-geometry-bugfixes

Ge21 geometry bugfixes