Required info for itunes RSS

[jinpark]

        <itunes:subtitle>A podcast series on RSS</itunes:subtitle>
        <itunes:author>Jane Doe</itunes:author>
        <itunes:summary>Creating a well formed RSS feed is important for
        iTunes U. This weekly series follows the methods to ensure your
        success.</itunes:summary>
        <description>Creating a well formed RSS feed is important for
        iTunes U. This weekly series follows the methods to ensure your
        success.</description>
        <itunes:owner>
            <itunes:name>Jane Doe</itunes:name>
            <itunes:email>jdoe@example.com</itunes:email>
        </itunes:owner>
        <itunes:image href="http://images.apple.com/pr/images/rotation
        /leopardbox.jpg"/>

I was looking at http://deimos.apple.com/rsrc/doc/iTunesUAdministrationGuide/#ManagingiTunesUCoursePages/chapter_11_section_6.html and looks like theres some more info we need to make the rss feed for itunes

• subtitle
• author
• summary
• description
• owner:name
• owner: email
• image

cc: @bobsalot for input cc @swnmoon for logo/image