New and Improved Scoreboard System

- Scoreboards now AUTO-UPDATE
 - Scoreboards now COME IN COLOR
 - If you want, they can come in EVERY COLOR (Config setting)
 - Scoreboards can be displayed alongside chat output!
 - Prevention of denial of service to SQL via spamming /mctop using a cooldown
 - Added /mccooldown command to show cooldowns for all available skills

src/main/java/com/gmail/nossr50/runnables/player/PowerLevelUpdatingTask.java

@@ -0,0 +1,14 @@
+package com.gmail.nossr50.runnables.player;
+
+import org.bukkit.scheduler.BukkitRunnable;
+
+import com.gmail.nossr50.util.scoreboards.ScoreboardManager;
+
+public class PowerLevelUpdatingTask extends BukkitRunnable {
+    @Override
+    public void run() {
+        if (!ScoreboardManager.powerLevelHeartbeat()) {
+            this.cancel();
+        }
+    }
+}