New theme song.

"Rainbows" by Kevin MacLeod.

Some config loading tweaks to make updating the theme song more seamless.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>

src/itdelatrisu/opsu/beatmap/TimingPoint.java

@@ -58,6 +58,14 @@ public class TimingPoint {
 	 * @param line the line to be parsed
 	 */
 	public TimingPoint(String line) {
+		/**
+		 * [TIMING POINT FORMATS]
+		 * Non-inherited:
+		 *   offset,msPerBeat,meter,sampleType,sampleSet,volume,inherited,kiai
+		 *
+		 * Inherited:
+		 *   offset,velocity,meter,sampleType,sampleSet,volume,inherited,kiai
+		 */
 		// TODO: better support for old formats
 		String[] tokens = line.split(",");
 		try {