Small change for better seed and randomness.

Some fixes to prepare for debian package building

 * attribution
 * rules, etc
 * some inspiration from kali linux

 * fix spelling errors to make lintian happy

 * fix Makefile for "make clean" on clean source

Set TCP window size to 1024 in template pkt to avoid detection

Added documentation for recently added flags

added serval flags to usage and nmap_help functions:
output flags for xml,binary,json,list,grepable
added --output-format and --output-file
added --banners
added --connection-time

based on updated markdown file.

Added json, list, grepable, and interactive.

Added grepable format information.