Remove docopt option not supported on 0.5.0

The options_first argument is supported only on docopt 0.6.0 and
higher. We should be supporting 0.5.0 as well for distro
compatibility.
Fix "packages" line in setup.py for lmi script commands
Merge pull request #1 from sgallagher/master

Remove docopt option not supported on 0.5.0
Fix commands