cleanup + fixing links

metainfo.json

@@ -8,11 +8,10 @@
   "title": "(Convolutional) Neural network tutorial ",
   "description": "In this tutorial, we briefly introduce the main ideas behind convolutional neural networks, build a neural network model with Keras, and explain the classification decision process using attentive response maps.",
   "url": "https://gitlab.mpcdf.mpg.de/nomad-lab/analytics-convolutional-nn",
-  "link": "https://analytics-toolkit.nomad-coe.eu/hub/user-redirect/notebooks/tutorials/convolutional_nn/convolutional_nn.ipynb",
-  "created": "",
-  "updated": "",
+  "link": "https://analytics-toolkit.nomad-coe.eu/hub/user-redirect/notebooks/tutorials/convolutional_nn.ipynb",
+  "link_public": "https://analytics-toolkit.nomad-coe.eu/public/user-redirect/notebooks/tutorials/convolutional_nn.ipynb",
+  "updated": "2019-04-01",
   "flags":{
-    "isPublic": true,
     "featured": true,
     "top_of_list": false
   },