Feed Demon 3.0.0.38 RC12

* Added: Significantly improved synchronization performance, especially when a large number of unread items exist
* Changed: Simplified connection settings dialog - max # of connections is no longer configurable (instead, the number of feeds to update at once is determined internally)
* Changed: Synchronization progress redesigned to look more "infinite"
* Fixed: FeedDemon opens new tabs for links double-clicked in the news item list
* Fixed: Crash when updating tags
* Fixed: Unescaped ampersand in English language file
* Fixed: Older shared items coming back as unread
* Fixed: Shared items aren't re-created if cache folder is deleted