* NEW: Rename gb.rss to gb.web.feed.

[GB.WEB.FEED]
* NEW: Document the component.
* BUG: Set RssGuid.IsPermaLink to True by default, as per specification.
* BUG: Set RssImage.{Width,Height} to the defaults 88 and 31, as per specification.
* BUG: Enforce the maximum values of RssImage.{Width,Height}.



git-svn-id: svn://localhost/gambas/trunk@8121 867c0c6c-44f3-4631-809d-bfa615b0a4ec