Merge remote-tracking branch 'upstream/master' into szlee/360photo

src/Debug/babylon.debugLayer.ts

@@ -60,6 +60,28 @@ module BABYLON {
                 this._inspector = null;
             }
         }
+        
+        /**
+        *
+        * Launch the debugLayer.
+        *
+        * initialTab:
+        * | Value | Tab Name |
+        * | --- | --- |
+        * | 0 | Scene |
+        * | 1 | Console |
+        * | 2 | Stats |
+        * | 3 | Textures |
+        * | 4 | Mesh |
+        * | 5 | Light |
+        * | 6 | Material |
+        * | 7 | GLTF |
+        * | 8 | GUI |
+        * | 9 | Physics |
+        * | 10 | Camera |
+        * | 11 | Audio |
+        *
+        */
 
         public show(config: {
             popup?: boolean,