Merge pull request #2 from michelif/master

adding makefile
Merge pull request #3 from michelif/master

fixing path in copyRuns.sh
removed -Wl,--no-as-needed
removed -Wl,--no-as-needed
added beam position
added hodo-bgo correlation
new pedestal function, now taking it from event tree
now beam is elliptical
using 5000 bins and not 4097
adding tree