Round 3 of aggregator improvements: - Added support for new tags: + Optinal feed image: <image> tag. + Dublin core dates: <dc:date> <dcterms:created>, <dcterms:issued>, <dcterms:modified>. - Usability improvements: + On the administration page, made the feed/bundle titles link to the feeds/bundles' pages. On the feed/bundle's page, made the 'Last updated' field link to the administration page. + Moved the 'syndication' menu one level down. - Updated some content sensitive help. - Further improved themeability. - Fixed some invalid HTML.