2020-10-22 Alignment v16r3

This version uses Phys v31r2, Rec v31r2, Lbcom v31r2, LHCb v51r2, Gaudi v34r1 and LCG 97a with ROOT 6.20.06.

This version is released on master branch. Built relative to Alignment v16r2, with the following changes:

Code cleanups and changes to tests ~modernisation ~cleanup ~testing

• Update test references for recent changes, !145 (@rmatev)
• NTupleSvc in VP aligment options and removing convergence in modules test, !143 (@bimitres)
• Remove L0 from Alignment, !141 (@pkoppenb)
• Cleaned up ref file of escher-default, !140 (@sponce)
• Remove obsolete configurables tests, !139 (@cattanem)
• Support for python3, !138 (@cattanem)
• Migrate to Gaudi/Property.h, !135 (@rmatev)
• Adapt Alignment code to DD4hep, !133 (@sponce)