AssetManager

Not yet functional

Web frontend to handle drag and drop and multiple select streaming file uploads to S3.

Goals:

1. User authentication based on S3 backed file in shared bucket
2. User and Group access to "subdirectories" in shared bucket
3. Admin interface to customize users/groups
4. File upload limits set per user/group
5. Directoy upload limits set per user/group
6. AWS credentials set in ENV