Update Scanner

It seems it's no longer possible to sort by name the watched pages in the sidebar, unless they're in a folder. If a page is selected the pop-up menu option is disabled and if no page is selected it doesn't appear at all. The option is available in this pop-up menu if a folder is selected.

This is not much of an issue, as now the pages are normal bookmarks and they can be sorted in the Firefox bookmarks menu or its organizer, and this sorting is reflected in the Update Scanner sidebar (which shows how nicely integrated they are).

Otherwise this beta looks excellent, major evolution from the last version with big improvements. All I really miss now (and apparently a lot of other users) is more powerful filtering (through regular expressions, for example, and xpaths, like in SiteDelta).

Great work, Peter.