table: MeasurementsAccessor findLongestPrefixMatch & findExactMatch

This commit also improves unit testing of MeasurementsAccessor,
and changes signature of MeasurementsAccessor constructor.

refs #2314

Change-Id: Ie0494628c6d3faac0473bc4cfb21998f89270aaf
diff --git a/daemon/fw/strategy.cpp b/daemon/fw/strategy.cpp
index f1a16f5..4f439db 100644
--- a/daemon/fw/strategy.cpp
+++ b/daemon/fw/strategy.cpp
@@ -1,12 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014,  Regents of the University of California,
- *                      Arizona Board of Regents,
- *                      Colorado State University,
- *                      University Pierre & Marie Curie, Sorbonne University,
- *                      Washington University in St. Louis,
- *                      Beijing Institute of Technology,
- *                      The University of Memphis
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -38,7 +38,7 @@
   , m_name(name)
   , m_forwarder(forwarder)
   , m_measurements(m_forwarder.getMeasurements(),
-                   m_forwarder.getStrategyChoice(), this)
+                   m_forwarder.getStrategyChoice(), *this)
 {
 }