Improved Still handling.

New uses or imagecache on backend if the chosen image-style exists, or
otherwise the frontend imagecache. It needs the flag 'include still
info' in the asset search view, otherwise a fallback to the old
inefficient stills (extra restcalls) is used.
Improved Still handling.

New uses or imagecache on backend if the chosen image-style exists, or
otherwise the frontend imagecache. It needs the flag 'include still
info' in the asset search view, otherwise a fallback to the old
inefficient stills (extra restcalls) is used.
Uses new images now.
merged.
Merge pull request #31 from arjenk/feature/improve-stills-handling

Your pull request has been merged, thank you.