sync: Switch code to use ndn-cxx

Thic commit also moves code to ndn::chronoshare namespace

Change-Id: I6eae8cab53fd68faa0e9523d166dbb60d1b59a95
diff --git a/.jenkins.d/20-tests.sh b/.jenkins.d/20-tests.sh
index 9ffad6c..6f466ed 100755
--- a/.jenkins.d/20-tests.sh
+++ b/.jenkins.d/20-tests.sh
@@ -44,6 +44,9 @@
 # Run NFD and tests
 sudo nfd &
 
+# Give NFD a few seconds to start
+sleep 10
+
 # First run all tests as unprivileged user
 ./build/unit-tests $(ut_log_args)