JpsiUpsilon and V0Finder: Clean up Includes + Add JpsiFinder CA Unit Test
- Neaten some dependencies and includes
- Add CA config method for JpsiFinder and JpsiAlg
- Add unit test for JpsiAlg - useful as a skeleton for BPhys algorithms
- Prevent BeamSpotCondAlgCfg being added if not needed in InDetTrackSelectorToolCfg