changed: poster quality (size: cover)

Now the text is readable on the posters.
changed/fixed: trailers/autoscraper

- autoscraper no longer stop if a movie not found on TMDB
- new trailer array (URL & description)
- many other bugs with lokal & URL trailers
Merged with Master branch

Had to resolve conflicts with clsAPIHTTP. Need to design unit/system
tests for this key piece!