minor cleanup

core/src/zero1hd/polyjet/audio/map/GamePlayMap.java

@@ -69,7 +69,7 @@ public class GamePlayMap {
 	/**
 	 * use this to add rest for current index position
 	 */
-	public void addRestToMap() {
+	public void addNullToMap() {
 		if (building) {
 			spawnList.add(null);
 		}

core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java

@@ -67,8 +67,9 @@ public class RhythmMapAlgorithm implements Runnable {
 								speedMod*(Polyjet.GAME_AREA_HEIGHT/3)/avgBPS);
 					}
 				}
+								
 			} else {
-				map.addRestToMap();
+				map.addNullToMap();
 			}
 			
 			progress = (int) (100f*index/bassPeaks.size);