Reverted all files under 'dist'.

dist/preview release/loaders/babylon.glTF1FileLoader.js

@@ -1901,7 +1901,7 @@ var BABYLON;
                     (sampler.minFilter === GLTF1.ETextureFilterType.LINEAR_MIPMAP_NEAREST) ||
                     (sampler.minFilter === GLTF1.ETextureFilterType.LINEAR_MIPMAP_LINEAR);
                 var samplingMode = BABYLON.Texture.BILINEAR_SAMPLINGMODE;
-                var blob = buffer == null ? new Blob() : new Blob([buffer]);
+                var blob = new Blob([buffer]);
                 var blobURL = URL.createObjectURL(blob);
                 var revokeBlobURL = function () { return URL.revokeObjectURL(blobURL); };
                 var newTexture = new BABYLON.Texture(blobURL, gltfRuntime.scene, !createMipMaps, true, samplingMode, revokeBlobURL, revokeBlobURL);

dist/preview release/loaders/babylon.glTFFileLoader.js

@@ -1901,7 +1901,7 @@ var BABYLON;
                     (sampler.minFilter === GLTF1.ETextureFilterType.LINEAR_MIPMAP_NEAREST) ||
                     (sampler.minFilter === GLTF1.ETextureFilterType.LINEAR_MIPMAP_LINEAR);
                 var samplingMode = BABYLON.Texture.BILINEAR_SAMPLINGMODE;
-                var blob = buffer == null ? new Blob() : new Blob([buffer]);
+                var blob = new Blob([buffer]);
                 var blobURL = URL.createObjectURL(blob);
                 var revokeBlobURL = function () { return URL.revokeObjectURL(blobURL); };
                 var newTexture = new BABYLON.Texture(blobURL, gltfRuntime.scene, !createMipMaps, true, samplingMode, revokeBlobURL, revokeBlobURL);

dist/preview release/viewer/babylon.viewer.d.ts

@@ -916,7 +916,7 @@ declare module BabylonViewer {
       * @param name the name of the custom optimizer configuration
       * @param upgrade set to true if you want to upgrade optimizer and false if you want to degrade
       */
-    export function getCustomOptimizerByName(name: string, upgrade?: boolean): typeof extendedUpgrade;
+    export function getCustomOptimizerByName(name: string, upgrade?: boolean): (sceneManager: SceneManager) => boolean;
     export function registerCustomOptimizer(name: string, optimizer: (sceneManager: SceneManager) => boolean): void;
 }
 declare module BabylonViewer {
@@ -1542,20 +1542,6 @@ declare module BabylonViewer {
     export function addLoaderPlugin(name: string, plugin: ILoaderPlugin): void;
 }
 declare module BabylonViewer {
-    /**
-        * A custom upgrade-oriented function configuration for the scene optimizer.
-        *
-        * @param viewer the viewer to optimize
-        */
-    export function extendedUpgrade(sceneManager: SceneManager): boolean;
-    /**
-        * A custom degrade-oriented function configuration for the scene optimizer.
-        *
-        * @param viewer the viewer to optimize
-        */
-    export function extendedDegrade(sceneManager: SceneManager): boolean;
-}
-declare module BabylonViewer {
 }
 declare module BabylonViewer {
     export interface IEnvironmentMapConfiguration {

dist/preview release/viewer/babylon.viewer.module.d.ts

@@ -977,14 +977,13 @@ declare module 'babylonjs-viewer/templating/viewerTemplatePlugin' {
 }
 
 declare module 'babylonjs-viewer/optimizer/custom' {
-    import { extendedUpgrade } from "babylonjs-viewer/optimizer/custom/extended";
     import { SceneManager } from "babylonjs-viewer/managers/sceneManager";
     /**
       *
       * @param name the name of the custom optimizer configuration
       * @param upgrade set to true if you want to upgrade optimizer and false if you want to degrade
       */
-    export function getCustomOptimizerByName(name: string, upgrade?: boolean): typeof extendedUpgrade;
+    export function getCustomOptimizerByName(name: string, upgrade?: boolean): (sceneManager: SceneManager) => boolean;
     export function registerCustomOptimizer(name: string, optimizer: (sceneManager: SceneManager) => boolean): void;
 }
 
@@ -1647,22 +1646,6 @@ declare module 'babylonjs-viewer/loader/plugins' {
     export function addLoaderPlugin(name: string, plugin: ILoaderPlugin): void;
 }
 
-declare module 'babylonjs-viewer/optimizer/custom/extended' {
-    import { SceneManager } from 'babylonjs-viewer/managers/sceneManager';
-    /**
-        * A custom upgrade-oriented function configuration for the scene optimizer.
-        *
-        * @param viewer the viewer to optimize
-        */
-    export function extendedUpgrade(sceneManager: SceneManager): boolean;
-    /**
-        * A custom degrade-oriented function configuration for the scene optimizer.
-        *
-        * @param viewer the viewer to optimize
-        */
-    export function extendedDegrade(sceneManager: SceneManager): boolean;
-}
-
 declare module 'babylonjs-viewer/configuration/interfaces' {
     export * from 'babylonjs-viewer/configuration/interfaces/cameraConfiguration';
     export * from 'babylonjs-viewer/configuration/interfaces/colorGradingConfiguration';