edited source for proton simulation
Merge pull request #1 from unclok/beamscattering

Beamscattering adding and GEM updating
geometry upgrade for new setting of another simulation
added proton simulation field control
modified output format for excel
testing for the particle checking
added particle checker
added fiedl modifying command
added new electricfield.hh
added new electricfield.cc
update all modified
update vis.mac
CMakeList Geant4 path update
0-dividing fixed
modified gain is not showed when the gain is divided by 0
seperated more than 1 efield change sources
added cut range in physlistfactory by physicslist and made randomize the result
morefield randomized
cut range of morefield modified
add newgem_old