Update rubygem-powerbar to 1.0.11-2.el6

- Another fix for F19 (mhulan@redhat.com)
- Fixed spec for F19 (mhulan@redhat.com)
Update rubygem-powerbar to 1.0.11-2.fc18

- Another fix for F19 (mhulan@redhat.com)
- Fixed spec for F19 (mhulan@redhat.com)
New package rubygem-powerbar, version 1.0.11-5.fc19