Adding performance test

src/Makefile.am

src/Vector/performance/cell_list_comp_reorder.hpp

src/Vector/performance/cell_list_part_reorder.hpp

src/Vector/performance/vector_dist_cl_performance_tests.hpp

src/Vector/performance/vector_dist_performance_util.hpp

src/Vector/performance/verlet_performance_tests.hpp

src/Vector/vector_dist_unit_test.hpp

src/main.cpp

src/pdata_performance.cpp

src/pdata_performance.hpp