CoverArtCache::searchInTrackDirectory - using Qt::CaseInsensitive
Cosmetic fix - using qregexp list
REF: Improvements in cover searching
- Removing disk-cache logic.
- loading embedded covers directly from soundsource (instead of save them on disk-cache)
- loading covers directly from trackDirectory (instead of copy them to disk-cache)
- Adds qfuture just to load images (covers that we already have a coverLocation)
- +cosmetic fixes
Removing pConfig through coverartdao construction