Imports of 5-report command

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/spdx/tools-golang/reporterPackage reporter contains functions to generate a basic license count report from an in-memory SPDX Package section whose Files have been analyzed.
github.com/spdx/tools-golang/spdxlibPackage spdxlib contains convenience and utility functions for working with an SPDX document that has already been created in memory.
github.com/spdx/tools-golang/tvloader
osPackage os provides a platform-independent interface to operating system functionality.