RSSEntryDataSource doesnt' create dubplicate entries anymore
Added overloaded getAll method to RSSFeedDataSource
Notificatation class takes int as argument
Added warning_feed_already_in_db to resource
Removed setting from menu
Added "Clear article cache" to the menu
List of articles displaied on entryList is clear when the cache is cleared
Bugfix.  Cleaning entry cache  was not resetting the timeout for refreshing feeds. The app was not able to show articles until the timeoutwas  expired.
Added Atom parser
Otpimized checking for avoid double entries. Added not working code to handle  HTTP redirects. A feed gets lastUpdated time once its entries have been downloaded correctly.
Fixed HTTP redirect code