Finalizing packet serialization. Set boost requirement (module will not be compiled without boost)

diff --git a/model/name-components.h b/model/name-components.h
index 8c124f8..d9b3f0a 100644
--- a/model/name-components.h
+++ b/model/name-components.h
@@ -37,6 +37,9 @@
   ~Components ();
   
   Components& operator () (const std::string &s);
+
+  const std::list<std::string> &
+  GetComponents () const;
   
   // virtual uint32_t
   // GetSerializedSize (void) const;