- add netmap-libpcap

- add netmap (FreeBSD header files need to be updated with this)
- move prototype perl scripts to prototype/ folder
- create basic structure for sipcap app (no code yet)

netmap-libpcap/pcap-sita.h

@@ -0,0 +1,8 @@
+/*
+ * pcap-sita.h: Packet capture interface for SITA WAN devices
+ *
+ * Authors: Fulko Hew (fulko.hew@sita.aero) (+1 905 6815570);
+ */
+
+extern int acn_parse_hosts_file(char *errbuf);
+extern int acn_findalldevs(char *errbuf);