Deleted commented out code using WebClient.
Changed blog text view to a webbrowser control.
Populating webbrowser control with blog content.
Modififed method clearDataGridView() - using Clear method now to redraw the oontol.
Added new field to FeedItem.cs - last_download_datetime.  Updated Factory.cs and Rss.cs to use it.
Added FeedHistory and FeedItemHistory classes.
Added FeedHistory and FeedItemHistory classes.
Added history table definitions.  Added history object creation to factory class.  Modified Rss.cs - new method to contain logic to download and process rss file.
Removed default value from Feed.title in update method.
Included sync/update of FeedItem when select "Sync All" from menu.
Added clearBrowserView() method.
Added comments.  Check in Rss.Update method that we have internet connectivity.
Added further comments.
Updated SQL scripts to create underlying db.  Added scripts for history tables.
Modified exception handling.
Modified message if can't process feed.
Calling Wait method on Task when update.
Created Task array and calling WaitAll method so multiple threads run at the same time.
Added ref to Enterprise Library logging framework.  Added logging config to Utility class. Logging statements added to Rss.Update method.
Added new field to FeedHistory and FeedItemHistory.  Added timeout to Task checking if app is online.