• skip silence now can be set to current, feed and global (same as for speed)
• audio offload is reset when necessary on every new media, speed change, and skip silence change
  • if speed is 1x, and silence is not skipped, request offload (if hardware supports)
  • otherwise, not offload, use CPU
  • the change can cause a hiccup during play
• in FeedsSettings, added settings for skip silence, sorting and filter
• added volumes on grid view of Subscriptions screen