Documented the Text game object and its TextStyle companion.

Minor update to JSON representation descriptions.

Author: hexus

src/gameobjects/bitmaptext/dynamic/DynamicBitmapText.js

@@ -397,7 +397,7 @@ var DynamicBitmapText = new Class({
      * @method Phaser.GameObjects.DynamicBitmapText#toJSON
      * @since 3.0.0
      *
-     * @return {JSONBitmapText} The JSON representation of this Bitmap Text.
+     * @return {JSONBitmapText} A JSON representation of this Bitmap Text.
      */
     toJSON: function ()
     {

src/gameobjects/bitmaptext/static/BitmapText.js

@@ -320,7 +320,7 @@ var BitmapText = new Class({
      * @method Phaser.GameObjects.BitmapText#toJSON
      * @since 3.0.0
      *
-     * @return {JSONBitmapText} The JSON representation of this Bitmap Text.
+     * @return {JSONBitmapText} A JSON representation of this Bitmap Text.
      */
     toJSON: function ()
     {

src/gameobjects/components/ToJSON.js

@@ -39,7 +39,7 @@
  *
  * @param {Phaser.GameObjects.GameObject} gameObject - The Game Object to export as JSON.
  *
- * @return {JSONGameObject} The JSON representation of the Game Object.
+ * @return {JSONGameObject} A JSON representation of the Game Object.
  */
 var ToJSON = function (gameObject)
 {