If you don't want to upgrade to the new image you get about the same system by running sudo apt-get install python-matplotlib
My feeling now is that the remote functionality is taking shape. The latest addition is that pages work, it is now possible to override the CSS for a remote so that
Can be used to change colors of the remote. Just create your color scheme on the leftmost "swatch". Press download, unzip the file and locate a file name something like ...min.css. Copy the content of this file and place it into the style field on the administrate remote page.
As allways let me know if you run into any problems. Hopefully the upgrade system will be more stable going forward.