createCollisionGroup -> public, included in .d.ts file

Author: Phaiax

build/phaser.d.ts

@@ -3470,6 +3470,8 @@ declare module Phaser {
                 clearShapes(): void;
                 collides(group: any, callback?: Function, callbackContext?: Object, shape?: any): void;
                 createBodyCallback(object: any, callback: Function, callbackContext: Object): void;
+                createCollisionGroup(group?: Phaser.Group): Phaser.Physics.P2.CollisionGroup;
+                createCollisionGroup(group?: Phaser.Sprite): Phaser.Physics.P2.CollisionGroup;
                 createGroupCallback(group: Phaser.Physics.P2.CollisionGroup, callback: Function, callbackContext: Object): void;
                 destroy(): void;
                 getCollisionMask(): number;

src/physics/p2/World.js

@@ -1227,7 +1227,6 @@ Phaser.Physics.P2.prototype = {
     *
     * @method Phaser.Physics.P2#createCollisionGroup
     * @param {Phaser.Group|Phaser.Sprite} [object] - An optional Sprite or Group to apply the Collision Group to. If a Group is given it will be applied to all top-level children.
-    * @protected
     */
     createCollisionGroup: function (object) {