Added base container using v4.0.16 of official LOFAR software and renamed v3.10 base container folder.

- Added Lofar Beam to base image
- changed killMS version to the private one
- Added bootstrap cats from https://www.ict.inaf.it/gitlab/lofarit/container-data.git
- ddf container now run as root

Decoupled base and prefactor code into two separate containers and moved to new container names nomenclature.