updated samples to be able to be auto converted to output sample with smarter image output. Can run the script for dev site conversion fully now

Author: DavidJVitale

samples/02_power_users_developers/building_a_change_detection_app_using_jupyter_dashboard.ipynb

@@ -37,7 +37,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<center>A gif image showing the change detection app in animation</center>"
+    "<img src=\"../../static/img/02_change_detection_app_01.gif\">"
    ]
   },
   {

samples/02_power_users_developers/using_geoprocessing_tools.ipynb

@@ -599,7 +599,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.4"
+   "version": "3.6.5"
   }
  },
  "nbformat": 4,