adding the viewer to the gulp party

Tools/Gulp/config.json

@@ -1178,7 +1178,8 @@
         "loaders",
         "serializers",
         "inspector",
-        "gui"
+        "gui",
+        "viewer"
     ],
     "materialsLibrary": {
         "libraries": [
@@ -1661,5 +1662,20 @@
             "srcOutputDirectory": "../../inspector/",
             "distOutputDirectory": "/inspector/"
         }
+    },
+    "viewer": {
+        "libraries": [
+            {
+                "files": [],
+                "output": "babylon.viewer.js",
+                "webpack": "../../Viewer/webpack.gulp.config.js",
+                "bundle": "true",
+                "moduleDeclaration": "BabylonViewer"
+            }
+        ],
+        "build": {
+            "srcOutputDirectory": "../../Viewer/",
+            "distOutputDirectory": "/viewer/"
+        }
     }
-}
+}

Tools/Gulp/gulpfile.js

@@ -49,7 +49,8 @@ var tsConfig = {
     noImplicitThis: true,
     noUnusedLocals: true,
     strictNullChecks: true,
-    strictFunctionTypes: true
+    strictFunctionTypes: true,
+    types: []
 };
 var tsProject = typescript.createProject(tsConfig);
 
@@ -64,7 +65,8 @@ var externalTsConfig = {
     noImplicitReturns: true,
     noImplicitThis: true,
     noUnusedLocals: true,
-    strictNullChecks: true
+    strictNullChecks: true,
+    types: []
 };
 
 var minimist = require("minimist");
@@ -398,9 +400,11 @@ var buildExternalLibrary = function (library, settings, watch) {
 
         if (library.webpack) {
             return waitAll.on("end", function () {
-                webpack(require(library.webpack))
+                return webpack(require(library.webpack))
                     .pipe(rename(library.output.replace(".js", ".bundle.js")))
                     .pipe(addModuleExports(library.moduleDeclaration, false, false, true))
+                    .pipe(uglify())
+                    .pipe(optimisejs())
                     .pipe(gulp.dest(outputDirectory))
             });
         }