security: Adapt PIB to NDN Certificate Format version 2.0

The certificate format can be found at docs/specs/certificate-format.rst

Change-Id: I5656837f09ce327e06a0cb1abdf16ac28fe0b823
Refs: #3202
diff --git a/tests/unit-tests/security/pib/pib-memory.t.cpp b/tests/unit-tests/security/pib/pib-memory.t.cpp
index 9d2c3f8..b8bfb62 100644
--- a/tests/unit-tests/security/pib/pib-memory.t.cpp
+++ b/tests/unit-tests/security/pib/pib-memory.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2016 Regents of the University of California.
+ * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -25,11 +25,12 @@
 
 namespace ndn {
 namespace security {
+namespace pib {
 namespace tests {
 
 // most functionalities are tested in pib-impl.t.cpp
 BOOST_AUTO_TEST_SUITE(Security)
-BOOST_AUTO_TEST_SUITE(TestPib)
+BOOST_AUTO_TEST_SUITE(Pib)
 BOOST_AUTO_TEST_SUITE(TestPibMemory)
 
 BOOST_AUTO_TEST_CASE(TpmLocatorManagement)
@@ -41,9 +42,10 @@
 }
 
 BOOST_AUTO_TEST_SUITE_END() // TestPibMemory
-BOOST_AUTO_TEST_SUITE_END() // TestPib
+BOOST_AUTO_TEST_SUITE_END() // Pib
 BOOST_AUTO_TEST_SUITE_END() // Security
 
 } // namespace tests
+} // namespace pib
 } // namespace security
 } // namespace ndn