Move to use @ambers/amdefine.

Customized to fix import: cyclical dependencies.

sdk/lib/helpers.js

@@ -7,7 +7,7 @@ function nodeWrapper() {
         "require = requirejs;\n",
         end: "});\n" +
         "}((" +
-        require("amdefine") +
+        require("@ambers/amdefine") +
         "(module)), require));"
     };
 }

sdk/package.json

@@ -20,8 +20,8 @@
     "url": "https://lolg.it/amber/amber/issues?labels=in+devkit"
   },
   "dependencies": {
+    "@ambers/amdefine": "^1.0.2",
     "amd-config-builder": "^0.3.0",
-    "amdefine": ">=0.1.1",
     "requirejs": "^2.1.19",
     "requirejs-text": "^2.0.12"
   }