create a simple particle bunch PartBunchAmr using the new AmrParticleBase class

ippl/test/AMR/PartBunchAmr.h

+#ifndef PARTBUNCHAMR_H
+#define PARTBUNCHAMR_H
+
+#include "AmrParticleBase.h"
+
+template<class PLayout>
+class PartBunchAmr : public AmrParticleBase<PLayout>
+{
+
+public:
+  
+  ParticleAttrib<double> qm;
+
+  PartBunchAmr() {
+    this->addAttribute(qm);
+  }
+
+  ~PartBunchAmr() {}
+
+};
+
+
+#endif