bump packages (to free and easy)

package.json

@@ -29,14 +29,14 @@
     },
     "dependencies": {
         "express": "^4.15.3",
-        "node-red": "~0.18.4",
-        "node-red-contrib-play-audio": "~2.2.4",
-        "node-red-contrib-web-worldmap": "~1.1.9",
-        "node-red-dashboard": "~2.8.2",
-        "node-red-node-base64": "~0.1.1",
+        "node-red": "*",
+        "node-red-contrib-play-audio": "*",
+        "node-red-contrib-web-worldmap": "*",
+        "node-red-dashboard": "*",
+        "node-red-node-base64": "*",
         "node-red-node-geofence": "*",
-        "node-red-node-random": "~0.1.0",
-        "node-red-node-smooth": "~0.1.0"
+        "node-red-node-random": "*",
+        "node-red-node-smooth": "*"
     },
     "keywords": [
         "electron",