Notebook updates for Colab

[kylebarron]

Changes

• [x] Update notebooks to use absolute paths (i.e. https urls) instead of relative paths. Colab doesn't clone the entire repository by default, it only grabs the individual jupyter notebook. This means that we need to use absolute paths instead of relative paths on a filesystem to access the data files.
• [x] Test each notebook in Colab
  • Every notebook works except for 07 - Crossfilter because the Plotly widget doesn't currently work in Colab
• [x] Test each notebook again in Binder with these changes
• [x] Get rid of jupyter-sidecar, or figure out a good way to not use it in Colab
• [x] Add colab and binder badges to the top of each notebook, so an interactive env is accessible if looking at the notebook on Github.
• [x] Add !pip install unfolded.map-sdk at the top of each notebook for colab. Colab doesn't appear to have any way to install dependencies automatically for a notebook.
• [x] Revert to pip install unfolded.map-sdk instead of temporary testing URL
• [x] Delete unused imports
• [x] Use non-uuids for dataset and layer ids

[ibgreen]

Use a literal height=500 in the UnfoldedMap constructor. When the Colab widget starts with the default height=100% the height is very small for some reason. Providing a literal height=500 should make the output consistent across platforms.

Can we detect colab in some way and do this inside our SDK instead?

[kylebarron]

I think this is essentially ready to go once we publish the next version of the Map SDK