Added cmake, xvfb, mesa libs; removed jupyter_contrib_nbextensions

Added povray

Added texlive-science

Added libglu1-mesa for gmsh

Added texlive-lang-german

Disabled announcement plugin

Updated owncloudclient (polybox) after coredump issue

Added JupyterHub git extension

Added tesseract

Added Jupyter extension 'toc2'

Rebuild after Gitlab docker image desaster

Updated polybox to 3.2.0

Updated DigiCert root certificates

python-control in base to speed up final builds

Added owncloud client (polybox)

Added package lmodern

Initial build for notebook base version 3.0.0

First new base image with updated conda, based on datascience notebook

Updated Python packages