Moved dead ships to garbage layer

src/ui/battle/Arena.ts

@@ -132,6 +132,7 @@ module TS.SpaceTac.UI {
             var sprite = this.findShipSprite(ship);
             if (sprite) {
                 sprite.setDead(true);
+                this.layer_garbage.add(sprite);
             }
         }
 

src/ui/battle/ArenaShip.ts

@@ -127,7 +127,7 @@ module TS.SpaceTac.UI {
          * This will show the information HUD accordingly
          */
         setHovered(hovered: boolean) {
-            if (hovered) {
+            if (hovered && this.ship.alive) {
                 this.info_toggle.start();
             } else {
                 this.info_toggle.stop();