added generation of JWT tokens

added options to:
- add user
- delete user
- fetch users
- authenticate with username/password

Removed all old and unused source code, including source code from old approaches

Changed deployment script: arg has to match name exactly

Caching pip packages as suggested by Alfonso.

Just assume one large cluster for all nodes for that layer

Not using one large layer or clusterset object anymore as size is too large for storing and loading

currently weeks of the year

Moved REST routes