Move user-space monitors to conrtib directory
Split off Makefile for contrib
Update pcap_wrap to match pna interface more closely
Add example log line for http
Print apache-like log from http headers
Move user/contrib/ to just contrib/
Clean up http_logger for use with actual pna
Remove extra print statements from module
Fix packet copy bug in kernel module

- now entire (well 2048 bytes) of packet are properly copied
Update pna.py file to work with new pna_packet scheme
Make sure device exists before adding capture callback
Add nice interface sanity checks before starting