Cleaning and ordering wk and matlab directories

matlab/load_results.m

matlab/profiler.m

matlab/setup.m

matlab/write_sbash.m

wk/analysis_2D.m

wk/cpu_time_study.m

wk/launcher.m

wk/linear_study.m

wk/local_run.m

wk/marconi_run.m

wk/marconi_scaling.m

wk/parallel_scaling.m

wk/parallel_scaling_old.m

wk/parameters_KH.m

wk/parameters_ZP.m

wk/parameters_cpu_time.m

wk/run.m

wk/scaling_results.m