Merge pull request #157 from nebari-dev/conda-env-group-selection

Add ability to pass user groups to jupyterhub context

Merge pull request #156 from nebari-dev/private-home

Make user's home directories private

Merge pull request #148 from nebari-dev/Update-condarc-namespaced-envs

Extend SlurmSpawner batch_script to include `.condarc` customization