HexToRawData with error check ignores white space.
Added validation param to libofp_loopback event.
white space changes.
Run clang-format.
Update yamlio to latest llvm svn trunk (195557). Include new LLVM files so CommandLine class is available.
Change bridgeofp to use llvm's CommandLine library instead of boost program_options.
Remove ScalarTraits definition of std::string.
Make constructor explicit.