Completed the manual paged in Markdown. rm old man pages.

Docker-DCO-1.1-Signed-off-by: William Henry <whenry@redhat.com> (github: ipbabble)

All the manual pages for docker commands have been completed in Markdown.
A mdsman-all.sh script is added to convert all man pages in md directory
to man page format (docker-<cmd>.1) files in the man1 directory.
Please see README.md and md2man-all.sh

 Changes to be committed:
	deleted:    ../man1/docker-attach.1
	deleted:    ../man1/docker-build.1
	deleted:    ../man1/docker-images.1
	deleted:    ../man1/docker-info.1
	deleted:    ../man1/docker-inspect.1
	deleted:    ../man1/docker-rm.1
	deleted:    ../man1/docker-rmi.1
	deleted:    ../man1/docker-run.1
	deleted:    ../man1/docker-tag.1
	deleted:    ../man1/docker.1
	new file:   README.md
	new file:   docker-attach.md
	new file:   docker-build.md
	new file:   docker-commit.md
	new file:   docker-cp.md
	new file:   docker-diff.md
	new file:   docker-events.md
	new file:   docker-export.md
	new file:   docker-history.md
	new file:   docker-images.md
	new file:   docker-import.md
	new file:   docker-info.md
	new file:   docker-inspect.md
	new file:   docker-kill.md
	new file:   docker-load.md
	new file:   docker-login.md
	new file:   docker-logs.md
	new file:   docker-port.md
	new file:   docker-ps.md
	new file:   docker-pull.md
	new file:   docker-push.md
	new file:   docker-restart.md
	new file:   docker-rm.md
	new file:   docker-rmi.md
	new file:   docker-run.md
	new file:   docker-save.md
	new file:   docker-search.md
	new file:   docker-start.md
	new file:   docker-stop.md
	new file:   docker-tag.md
	new file:   docker-top.md
	new file:   docker-wait.md
	new file:   docker.md
	new file:   docker.md-old
	new file:   md2man-all.sh