added separate files for parallel barnes
Merge branch 'master' into parallel_barnes
fixes for the beginning of parallel barnes
Merge branch 'master' into parallel_barnes

Conflicts:
	Makefile.am
fix in makefile
parallelized barnes_hut algorithm
Merge branch 'master' into parallel_barnes

Conflicts:
	Makefile.am
whoop whoop it is faster... wonder if it works correctly
Merge branch 'master' into parallel_barnes

Conflicts:
	Makefile.am