Refactor performance test

CMakeLists.txt

openfpm_data

openfpm_io

src/CMakeLists.txt

src/Grid/grid_dist_id.hpp

src/Grid/grid_dist_key.hpp

src/Grid/performance/grid_dist_performance.hpp

src/Vector/performance/cell_list_comp_reorder.hpp

src/Vector/performance/vector_dist_performance_util.cpp

src/Vector/performance/vector_dist_performance_util.hpp

src/Vector/performance/verlet_performance_tests.hpp

src/pdata_performance.cpp