Refactored function rss_get_link() so that it uses a new function rss_get_url() which generates the URL to the RSS XML file. Because in some cases we need the URL only, and not the whole <a href...><img ...></a> string.
Refactored function rss_get_link() so that it uses a new function
rss_get_url() which generates the URL to the RSS XML file. Because in some
cases we need the URL only, and not the whole <a href...><img ...></a> string.

Added function rss_get_url()

dilawar/moodle