src: Renaming class to spell out them (Adl, Nhl, Npl, Npt, Npte)

Refs: #1534

Change-Id: If4a205e8ad2419505cc796027a5c863471ef5439
diff --git a/src/route/name-prefix-table-entry.cpp b/src/route/name-prefix-table-entry.cpp
index 4389373..01eea0d 100644
--- a/src/route/name-prefix-table-entry.cpp
+++ b/src/route/name-prefix-table-entry.cpp
@@ -11,15 +11,15 @@
 void
 NamePrefixTableEntry::generateNhlfromRteList()
 {
-  m_nhl.reset();
+  m_nexthopList.reset();
   for (std::list<RoutingTableEntry>::iterator it = m_rteList.begin();
        it != m_rteList.end(); ++it)
   {
     for (std::list<NextHop>::iterator nhit =
-           (*it).getNhl().getNextHopList().begin();
-         nhit != (*it).getNhl().getNextHopList().end(); ++nhit)
+           (*it).getNexthopList().getNextHops().begin();
+         nhit != (*it).getNexthopList().getNextHops().end(); ++nhit)
     {
-      m_nhl.addNextHop((*nhit));
+      m_nexthopList.addNextHop((*nhit));
     }
   }
 }
@@ -56,11 +56,11 @@
   }
   else
   {
-    (*it).getNhl().reset(); // reseting existing routing table's next hop
-    for (std::list<NextHop>::iterator nhit = rte.getNhl().getNextHopList().begin();
-         nhit != rte.getNhl().getNextHopList().end(); ++nhit)
+    (*it).getNexthopList().reset(); // reseting existing routing table's next hop
+    for (std::list<NextHop>::iterator nhit = rte.getNexthopList().getNextHops().begin();
+         nhit != rte.getNexthopList().getNextHops().end(); ++nhit)
     {
-      (*it).getNhl().addNextHop((*nhit));
+      (*it).getNexthopList().addNextHop((*nhit));
     }
   }
 }
@@ -76,7 +76,7 @@
   {
     cout << (*it);
   }
-  os << npte.getNhl();
+  os << npte.getNexthopList();
   return os;
 }