+ download and extract selected subtitle packages (not displayed yet though)
* SubtitleDescriptor provides download function (Callable)
* updated sublight webservice
* lazy-initialize SubtitlesAPI2Soap (Sublight) because loading all the jax-ws classes will can take more than 1s (while blocking EDT)
* better sublight subtitle display names
* added archive files to media.types
* added icons for subtitle list
* refactoring
