geometry upgrade for new setting of another simulation
modified output format for excel
testing for the particle checking
added particle checker
add newgem_old
added random gun and changed geometry slightly
added hist maker and vis.mac
added pure argon experiment simulation
name changed : gemupdate->pureargon
add gemupdate directory
minor gemupdate update
gemupdate added
gemupdate geometry updated based on pure argon experiment data, newgem added 2d distribution histograms, newgem old added testing gdml geometry.
changed newgem_old name to drift for the usage and newgem to pureargon for the usage too. added gem_gdml file to gemudpate
removed not needed newgem directory
Merge pull request #3 from unclok/update

Update