-fixed: Reset values when closing a PlaySlot
-fixed: "Close slot" should *remove* the slot
-changed: Remove excess slots on "New Scheme"
-added: Option whether use MP3/WMA Title Tag as default Alias
-added: When moving slot: Ask whether to move hotkey with slot
-fixed: Panning value does not get set when opening file
-added: "Insert slot"
-added: "Reset slot"
-fixed: "Play from Start" button did not work properly
-fixed: Remove excess slots on "Load Scheme"
