Add rawshark, a utility that, when given raw pcap-formatted packets and

Add rawshark, a utility that, when given raw pcap-formatted packets and
a list of fields, prints the field values found in each packet.

Packet data can be specified as a libpcap DLT, e.g. "EN10MB" or an upper-layer protocol, e.g. "http".

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@24339 f5534014-38df-0310-8fa8-9805f1628bb7