Also update container version number and remove the no-longer-needed warning suppression for tensorflow.

Package Updates
- civis 1.8.1 -> 1.9.0
- civisml-extensions 0.1.6 -> 0.1.8
- muffnn 2.0.0 -> 2.1.0

- dask 0.15.4 (pip) -> 0.17.2 (conda)
- tensorflow 1.4.1 -> 1.7.0
- ipython 6.1.0 -> 6.3.1
- matplotlib 2.1.0 -> 2.2.2
- notebook 5.2.2 -> 5.4.1
- scipy 1.0.0 -> 1.0.1
- urllib3 1.22 (pip) -> 1.22 (conda)