Resolve "Reviewing physics behind particle matter interaction models"

• Closes #634 (closed)
• Cleans up, coding style fixes and update license header to touched files

src/Classic/Algorithms/PartBunchBase.h

@@ -61,7 +61,8 @@ namespace ParticleName {
                 DEUTERON,
                 XENON,
                 H2P,
-                HYDROGEN};
+                HYDROGEN,
+                H3P};
 }