Imports of package httprule

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/golang/glogPackage glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
github.com/grpc-ecosystem/grpc-gateway/utilitiesPackage utilities provides members for internal use in grpc-gateway.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.