Quick and dirty initial commit
Small bugs in SDP Parsing, still have to implement the filtering itself
It works, bitch!
Divide and Conquer

Split into multiple files
	- sdp-filter.c	Main/init stuff and the filter funktion itself
	- parsing.c 	IPv4/UDP/SAP/SDP Parsing
	- string.c	String funktions
	- sdp-filter.h	Main header
	- config.h	Filter rules are in here
Added Makefile
Added README
Merge branch 'master' of kgb:dev/sdp-filter
Merge branch 'master' of ssh://134.130.115.92:2222/home/t800/Daten/Code/sdp-filter