Bundle libnet

- See INSTALL for details
added some more low level decoder
Fix my email!
Merge pull request #152 from justfalter/fix_authors

Fix my email!
register ip over pppoe
full support for wifi decrypting (wep and wpa)
Revert "added some more low level decoder"

This reverts commit 1b89357bb2518bb7482a6f316403a9fa67da2a80.

Conflicts:
	src/CMakeLists.txt
Revert "register ip over pppoe"

This reverts commit 5f4de4bc6925632121e9f3c93eeabecd18bc7eeb.
rename WEP -> WiFi into interfaces
fix for a missing protocol definition
fix DEBUG_MSG syntax
Merge pull request #154 from alor/wifi

Full Wifi decryption
Merge pull request #143 from justfalter/bundle_libnet

Bundle libnet
Return if libnet include or library not found.
Merge pull request #157 from justfalter/fix_find_libnet

Return if libnet include or library not found.
End loop if length check fails
Updated PPP to Handle Interface Data
Added PPP DLT to Interfaces
Invalid Read in DHCP
Merge pull request #159 from jacob-baines/patch-1

End loop if length check fails
Merge pull request #160 from jacob-baines/patch-3

Support PPP Data at Interface Level