* added string flavour to all text transfer operations
* text file for dnd transfer will only be created on demand
* removed ImportHandler interface
* moved sfv renderer classes to sfv package
* removed sfv renderer package
* rename-lists now titled "Proposed" and "Current"
* DefaultClipboardHandler will export null values as empty string, not "null"
* refactored OpenSubtitlesHasher
* adapted to the new tvrage episode list xml feed syntax
