Add more particles

Added muon, pi0, pi+, pi- particles to the functions.

It seems to me that since multiple programs use this function, that we should make it a header.

benchmarks/barrel_ecal/scripts/emcal_barrel_common_functions.h

+//////////////////////////
+// Common Particle Functions
+// M. Scott 05/2021
+//////////////////////////
+
+std::tuple <int, double> extract_particle_parameters(std::string particle_name) {
+    if (particle_name == "electron") return std::make_tuple(11,    0.51099895e-3);
+    if (particle_name == "photon")   return std::make_tuple(22,    0.0);
+    if (particle_name == "positron") return std::make_tuple(-11,   0.51099895e-3);
+    if (particle_name == "proton")   return std::make_tuple(2212,  0.938272);
+    if (particle_name == "muon")     return std::make_tuple(13,    0.1056583745);
+    if (particle_name == "pi0")      return std::make_tuple(111,   0.1349768);
+    if (particle_name == "piplus")   return std::make_tuple(211,   0.13957039);
+    if (particle_name == "piminus")  return std::make_tuple(-211,  0.13957039);
+
+    std::cout << "wrong particle name" << std::endl;
+    abort();
+}
\ No newline at end of file