table: erase NameTree entry when FIB/Measurements/StrategyChoice entry is erased

This commit also optimizes Measurements table to make use of NameTree shortcuts.

refs #1803

Change-Id: Ib0e465750ed5e8ff9ed129a926a7bc852db4e9e1
diff --git a/daemon/table/fib.hpp b/daemon/table/fib.hpp
index e5aaf15..615462f 100644
--- a/daemon/table/fib.hpp
+++ b/daemon/table/fib.hpp
@@ -1,11 +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
+ * 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
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -20,7 +21,7 @@
  *
  * You should have received a copy of the GNU General Public License along with
  * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
- **/
+ */
 
 #ifndef NFD_DAEMON_TABLE_FIB_HPP
 #define NFD_DAEMON_TABLE_FIB_HPP
@@ -128,6 +129,9 @@
   shared_ptr<fib::Entry>
   findLongestPrefixMatch(shared_ptr<name_tree::Entry> nameTreeEntry) const;
 
+  void
+  erase(shared_ptr<name_tree::Entry> nameTreeEntry);
+
 private:
   NameTree& m_nameTree;
   size_t m_nItems;