Update rubygem-hammer_cli to 0.0.3-4.el6

- Install bash completion extension (dcleal@redhat.com)
Update rubygem-hammer_cli to 0.0.3-4.fc18

- Install bash completion extension (dcleal@redhat.com)
Update rubygem-hammer_cli to 0.0.3-4.fc19

- Install bash completion extension (dcleal@redhat.com)