fix typedoc static analysis errors.

src/Gamepad/Controllers/babylon.daydreamController.ts

@@ -3,9 +3,19 @@ module BABYLON {
      * Google Daydream controller
      */
     export class DaydreamController extends WebVRController {
-        public static MODEL_BASE_URL:string = 'https://controllers.babylonjs.com/generic/';
-        public static MODEL_FILENAME:string = 'generic.babylon';
+        /**
+         * Base Url for the controller model.
+         */
+        public static MODEL_BASE_URL: string = 'https://controllers.babylonjs.com/generic/';
 
+        /**
+         * File name for the controller model.
+         */
+        public static MODEL_FILENAME: string = 'generic.babylon';
+
+        /**
+         * Gamepad Id prefix used to identify Gear VR Controller.
+         */
         public static readonly GAMEPAD_ID_PREFIX: string = 'Daydream'; // id is 'Daydream Controller'
 
         constructor(vrGamepad: any) {
@@ -24,7 +34,7 @@ module BABYLON {
             });
         }
 
-        protected handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
+        protected _handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
             // Daydream controller only has 1 GamepadButton (on the trackpad).
             if (buttonIdx === 0) {
                 let observable = this.onTriggerStateChangedObservable;

src/Gamepad/Controllers/babylon.gearVRController.ts

@@ -26,7 +26,7 @@ module BABYLON {
             });
         }
 
-        protected handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
+        protected _handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
             if (buttonIdx < this._buttonIndexToObservableNameMap.length) {
                 const observableName : string = this._buttonIndexToObservableNameMap[buttonIdx];
                 

src/Gamepad/Controllers/babylon.genericController.ts

@@ -18,7 +18,7 @@ module BABYLON {
             });
         }
 
-        protected handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
+        protected _handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
             console.log("Button id: " + buttonIdx + "state: ");
             console.dir(state);
         }

src/Gamepad/Controllers/babylon.oculusTouchController.ts

@@ -87,7 +87,7 @@ module BABYLON {
          4) B / Y 
          5) thumb rest
         */
-        protected handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
+        protected _handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
             let notifyObject = state; //{ state: state, changes: changes };
             let triggerDirection = this.hand === 'right' ? -1 : 1;
             switch (buttonIdx) {

src/Gamepad/Controllers/babylon.poseEnabledController.ts

@@ -5,6 +5,9 @@ module BABYLON {
         OCULUS,
         WINDOWS,
         GEAR_VR,
+        /**
+         * Google Daydream
+         */
         DAYDREAM,
         GENERIC
     }

src/Gamepad/Controllers/babylon.viveController.ts

@@ -50,7 +50,7 @@ module BABYLON {
          * 2: left AND right buttons
          * 3: menu button
          */
-        protected handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
+        protected _handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
             let notifyObject = state; //{ state: state, changes: changes };
             switch (buttonIdx) {
                 case 0:

src/Gamepad/Controllers/babylon.webVRController.ts

@@ -45,7 +45,7 @@ module BABYLON {
             }
         }
 
-        protected abstract handleButtonChange(buttonIdx: number, value: ExtendedGamepadButton, changes: GamepadButtonChanges): void;
+        protected abstract _handleButtonChange(buttonIdx: number, value: ExtendedGamepadButton, changes: GamepadButtonChanges): void;
 
         public abstract initControllerMesh(scene: Scene, meshLoaded?: (mesh: AbstractMesh) => void): void;
 
@@ -69,7 +69,7 @@ module BABYLON {
             if (this._changes.changed) {
                 this._onButtonStateChange && this._onButtonStateChange(this.index, buttonIndex, newState);
 
-                this.handleButtonChange(buttonIndex, newState, this._changes);
+                this._handleButtonChange(buttonIndex, newState, this._changes);
             }
             this._buttons[buttonIndex].pressed = newState.pressed;
             this._buttons[buttonIndex].touched = newState.touched;

src/Gamepad/Controllers/babylon.windowsMotionController.ts

@@ -126,7 +126,7 @@ module BABYLON {
          * @param state New state of the button
          * @param changes Which properties on the state changed since last frame
          */
-        protected handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
+        protected _handleButtonChange(buttonIdx: number, state: ExtendedGamepadButton, changes: GamepadButtonChanges) {
             let buttonName = this._mapping.buttons[buttonIdx];
             if (!buttonName) {
                 return;