Added several tutorial sections, one-liners and recipes by Peter Kacherginsky
Added several tutorial sections, one-liners and recipes by Peter Kacherginsky

Peter had written a very nice tutorial on his web site
http://thesprawl.org/memdump/doku.php?id=tools:scapy
and kindly allowed me to add it to our docs under the
CC BY-NC-SA-2.5 license.

mytliulei/Scapy,mytliulei/Scapy