tamarama: add container engine for exclusive nfas

Add the new Tamarama engine that acts as a container for infix/suffix
engines that can be proven to run exclusively of one another.

This reduces stream state for pattern sets with many exclusive engines.

src/nfa/castle_dump.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Intel Corporation
+ * Copyright (c) 2015-2016, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -48,7 +48,8 @@
 
 namespace ue2 {
 
-void nfaExecCastle0_dumpDot(const struct NFA *, FILE *) {
+void nfaExecCastle0_dumpDot(const struct NFA *, FILE *,
+                            UNUSED const std::string &base) {
     // No GraphViz output for Castles.
 }