Generic cleanup of warnings, whitespace and style.

src/main/java/org/bukkit/block/Jukebox.java

@@ -8,24 +8,28 @@ import org.bukkit.Material;
 public interface Jukebox extends BlockState {
     /**
      * Get the record currently playing
+     *
      * @return The record Material, or AIR if none is playing
      */
     public Material getPlaying();
-    
+
     /**
      * Set the record currently playing
+     *
      * @param record The record Material, or null/AIR to stop playing
      */
     public void setPlaying(Material record);
-    
+
     /**
      * Check if the jukebox is currently playing a record
+     *
      * @return True if there is a record playing
      */
     public boolean isPlaying();
-    
+
     /**
      * Stop the jukebox playing and eject the current record
+     *
      * @return True if a record was ejected; false if there was none playing
      */
     public boolean eject();