add Makefile to print --man to README.rst
add Makefile to print --man to README.rst

GitHub requires the documentation to be in a file called README.rst; it
won't pull it out of the module.  I don't want to have to maintain two
separate files, so I will run 'make' before uploading to GitHub.

MarkLodato/vt100-parser,MarkLodato/vt100-parser