build: Update for the new time structs in ndn-cpp-dev

Change-Id: I1dcf4bcc5ae74a37014652b8dc4b9b69fb2c670d
refs: #1373
Added Data correctness check and performance enhancements

Change-Id: I5d1a866c9f422d6f062404c24cba9a8d9de56ec9
doc+src: More reorganization and fixing of README

Change-Id: I8ff2dcdabd78f38cc0d5b826883121a9444ef664