Add gem-sim-validation.
Add functions on gemCutoms about Validation and havesting
Add station variable for Strip and pad simhit and digi validation.
Fix some bug about station.
Fix white space.
Merge branch 'gem-sim-validation' of github.com:geonmo/cmssw into from-CMSSW_6_2_0_SLHC7
fix typo.
Fix typo about axis and modify GEMCSCCopad's construction.
Modify Validation/MuonGEMHits module to use GEMGeometry.
Delete README
Delete README
Delete README
Merge github.com:geonmo/cmssw into gem-sim-validation
Relocate common classes to MuonGEMHits.
Remove CSC legacy codes.
Merge pull request #2510 from geonmo/gem-sim-validation

Add gem-sim validation modules.