- 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/.travis.yml

@@ -0,0 +1,9 @@
+language: c
+
+compiler:
+  - gcc
+  - clang
+
+script:
+  - ./configure
+  - make