Octopod

Fixed
- Multi Task BERT model save works for models without new classifiers

Fixed
- Load method in ensemble model loads to `image_dense_layers`

Fixed
- Multi-label datasets are imported in top level init

Fixed
- Update creevey to new name wildebeest

Added
- note to notebook tutorials about potential out-of-memory issue when `DataLoaders` have too high a value for `num_workers`
Changed
- included `Dockerfile` now installs the `octopod` library
Fixed
- included `Dockerfile` now installs `libgl1-mesa-glx` to avoid `ImportError: libGL.so.1: cannot open shared object file: No such file or directory` when importing `octopod`
- batch sizes of size 1 are skipped correctly for all models

Changed
- Switched to using Github Actions for CI/CD