rename the readme

git-svn-id: svn+ssh://svn.mozilla.org/sysadmins/svc/scripts/inventory@63766 65d70b31-241a-0410-a745-f8fa14660ae9
better markdown in my readme

git-svn-id: svn+ssh://svn.mozilla.org/sysadmins/svc/scripts/inventory@63767 65d70b31-241a-0410-a745-f8fa14660ae9