build+tests: Fixing c++11 mode compilation and correcting integrated test with faces

Change-Id: I32e34d6b2ee8cfd85ec83f62323dd7a51f2238d6
diff --git a/src/security/validator-config.hpp b/src/security/validator-config.hpp
index 00d7c66..9dc69e3 100644
--- a/src/security/validator-config.hpp
+++ b/src/security/validator-config.hpp
@@ -209,7 +209,7 @@
           Interest certInterest(keyLocatorName);
 
           shared_ptr<ValidationRequest> nextStep =
-            make_shared<ValidationRequest>(boost::cref(certInterest),
+            make_shared<ValidationRequest>(cref(certInterest),
                                            onCertValidated,
                                            onCertValidationFailed,
                                            1, nSteps + 1);
@@ -229,7 +229,7 @@
                                  const OnFailed& onValidationFailed)
 {
   shared_ptr<IdentityCertificate> certificate =
-    make_shared<IdentityCertificate>(boost::cref(*signCertificate));
+    make_shared<IdentityCertificate>(cref(*signCertificate));
 
   if (!certificate->isTooLate() && !certificate->isTooEarly())
     {