Added method to create an explosion in world. Thanks Zaraza107!

src/main/java/org/bukkit/World.java

@@ -479,6 +479,14 @@ public interface World {
      */
     public void setThunderDuration(int duration);
 
+    /**
+    * Creates explosion at given coordinates with given power
+    *
+    * @param power The power of explosion, where 4F is TNT
+    * @return false if explosion was canceled, otherwise true
+    */
+    public boolean createExplosion(double x, double y, double z, float power);
+
     /**
      * Gets the {@link Environment} type of this world
      *