Edits based on ostezer's feedback.

Docker-DCO-1.1-Signed-off-by: William Henry <whenry@redhat.com> (github: ipbabble)
Merge branch 'manpages' of github.com:ipbabble/docker into manpages
Made some edits and removed the alternative, manual generation instructions.

Docker-DCO-1.1-Signed-off-by: William Henry <whenry@redhat.com> (github: ipbabble)

 Changes to be committed:
	modified:   contrib/man/md/README.md