Update the main package.json files

jupyterlab/package.json

@@ -9,6 +9,7 @@
     "es6-promise": "^3.1.2",
     "font-awesome": "^4.6.1",
     "fs-extra": "^0.30.0",
+    "jupyter-js-services": "^0.20.0",
     "jupyterlab": "file:../",
     "jupyterlab-extension-builder": "^0.6.2",
     "material-design-icons": "^2.2.3",

package.json

@@ -14,7 +14,7 @@
     "diff-match-patch": "^1.0.0",
     "es6-promise": "^3.2.1",
     "jquery": "^2.2.0",
-    "jupyter-js-services": "^0.18.0",
+    "jupyter-js-services": "^0.20.0",
     "less": "^2.7.1",
     "marked": "^0.3.5",
     "moment": "^2.11.2",
@@ -31,7 +31,7 @@
     "@types/marked": "0.0.28",
     "@types/mathjax": "0.0.31",
     "@types/mocha": "^2.2.32",
-    "@types/requirejs": "^2.1.28",
+    "@types/node": "^6.0.42",
     "@types/sanitize-html": "^1.13.31",
     "awesome-typescript-loader": "^2.2.4",
     "concurrently": "^2.0.0",