Imports of blockio command

PathSynopsis
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/intel/goresctrl/pkg/blockioPackage blockio implements class-based cgroup blockio controller management for containers.
github.com/intel/goresctrl/pkg/path
osPackage os provides a platform-independent interface to operating system functionality.