Bugfixes needed for 2022-05 analytics images (Sonador AI / MONAI/ PyTorch)
Fixes:
- README: added Docker Hub tag to Spark DL image
- Removed Allen NLP because of conflicts with other packages
- Install Sonador and client packages from repo rather than source
- Added missing dependencies for MONAI and Sonador AI
- Removed S3 contents manager integration (not used and caused compatibility issues)