Removed delete button from series lists, added refresh button

New: Refresh button on series lists (replaces delete)
New: Show series title on poster on hover
Fixed: Year on add series will be shown in grey if its not part of the series title
Added tests for Roksbox and Wdtv metadata

Fixed: Detecting metadata files for Roksbox and WDTV inside of Specials folders
Fixed: Parsing of RAW-HD releases
New: Added Presets to Indexers to add indexers with default properties. In an older version of NzbDrone these default indexers were added automatically and could not be removed.