add back gulp

Tools/Gulp/package.json

@@ -0,0 +1,17 @@
+{
+    "name": "babylonjs",
+    "version": "0.0.0",
+    "description": "Babylon.js is a 3D engine based on webgl and javascript",
+    "main": "",
+    "repository": {
+        "url": "https://github.com/BabylonJS/Babylon.js/"
+    },
+    "readme": "https://github.com/BabylonJS/Babylon.js/edit/master/readme.md",
+    "license": "(Apache-2.0)",
+    "scripts": {
+        "install": "cd ../../ && npm install && cd Playground/ && npm install && cd ../Viewer && npm install && cd ../Tools/Gulp/",
+        "build": "gulp --max-old-space-size=8192 --tsLintFix",
+        "start": "gulp run --max-old-space-size=8192",
+        "start-public-ssl": "gulp run --max-old-space-size=8192 --public --ssl"
+    }
+}