Defined Libnet version 1.1.6, with patches.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Defined Libpcap 1.4.0

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Updated Flex definition to version 2.5.37

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Defined Ettercap version 0.7.4.1, with patches.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>