Xen V 0.9
Beta Decay is running!

Changes

- Added Beta energy deposition counting. (RadioactiveDecay and Decay physics process were added)**
- Added tool to convert from matrix in text file to root 2D Histogram.
- Separated code in steps and functions, for easier debugging.
- Added Logger class for cleaner and easier messages output.
- Added command line options. (-v for verbose logging)
- Added histograms for (1) Initial KE of Betas, (2) Energy deposited on cells from Betas (geometricFactorXenRunAction.dat)

Notes**

- The implementation of the physics lists appears to only work for geant4 10.0.3 (and maybe newer versions)
- This code doesn't work on Sapsim server =(