- Create JugPID and JugFast to avoid overloading the JugReco namespace
- Calorimeter clustering not yet split off to not disrupt ongoing studies
- Removed stale algorithms

 - using cxx17 by default
 - put eicd in main cmake file.

	modified:   CMakeLists.txt

Also enabled docker BuildKit and removed DD4hep cmake fix.

- debugging found the missing makefile that was .gitignored

	modified:   .gitlab-ci.yml

	modified:   .gitlab-ci.yml

	new file:   Makefile

Fixing install prefixes

	modified:   ../CMakeLists.txt

- Adding docker build  which should help speed up running of dependent
pipelines, which otherwise would need to build everything for each  job.
- New version 0.3.1

- Fixed install of "run" script and removed some gaudi install cmake macros

	modified:   JugBase/CMakeLists.txt

 - previous method didn't like  the number in the namespace

- Found out ROOT libraries need to be found in top cmakelists before
calling gaudi_project