Replace the deprecated AM_CONFIG_HEADER with AC_CONFIG_HEADERS.

Addresses bug #704 for building on a Mac.  More generically
it addresses the issue building using newers versions of automake.
af-packet: leave reading loop at each turn

The idea of this patch is to be sure to leave the ring reading loop
enough to be able to sync counters. This should fix #706.
pcap-file: treat the case of unsupported pcap link

In unix socket mode, Suricata was stopping processing pcap files
when a pcap file with an unsupported datalink was treated. This
patch updates error handling to allow Suricata to treat other
pcap files.
temporarily patched smb + dcerpc parsers for direction demaraction.
fix for #725.

Update trec_len, trec_pos to 32 bits from 16 bits.
Handle handshakes that are fragmented across records.
fix for #760.

If udpv4 csum isn't calculated, udpv4-csum detection shouldn't run on the
csum.
Fix test AddressTestParse36 on Big Endian systems
Fix potential iprep file parsing issue.
Fix potential iprep file parsing issue (2).
Fix potential Null deref.
nfq: add missing error string
Open 2.0 dev branch
Try to use pkg-config to resolve libnss and related dependencies.
Try to use pkg-config to resolve libnspr and related dependencies.
fix for #758.  Add redmine wiki link and desc for icmp-id keyword.
Fix valgrind error/warning in ip reputation parsing code
fix for #769.

Packet inserted by live swap flagged as pseudo packet.