rename particle_count to more suitable send_count
hello p4estindent

Conflicts:
	pchase_world.c
FIXBUG saving particles instead of pointer to particles helps a lot

Conflicts:
	pchase_world.c
don't forget to indent
get rid of the destroy function
typo
rephrasing DEBUG messages for a better readability

Conflicts:
	pchase_world.c
refine DEBUG messages and replace particle by P
FIXBUG count particles when they are inserted and removed from this proc