Description:
    Create an empty module organisation as specified by
    http://reductivelabs.com/trac/puppet/wiki/ModuleOrganisation

    This generates a module directories and files into modules/<modulename>.

Example:
    ./script/generate module passenger

    creates directories :
      modules/passenger/templates
      modules/passenger/files
      modules/passenger/depends

    creates files :
      modules/passenger/README
      modules/passenger/manifests/init.pp
      modules/passenger/manifests/defaults.pp