first commit
	new file:   include/icmp_header.h
	new file:   include/ip_header.h
	new file:   include/ping.h
	new file:   include/set_sock.h
	new file:   include/timer.h
	new file:   src/icmp_header.c
	new file:   src/ip_header.c
	new file:   src/ping.c
	new file:   src/set_sock.c
	new file:   src/timer.c
	new file:   src/timer_test.c
Merge branch 'master' of https://github.com/theredarmy/Projet_RP