2020-08-04 Boole v41r1

This version uses Lbcom v31r1, LHCb v51r1, Gaudi v33r2 and LCG 97a with ROOT 6.20.06.

This version is released on master branch. Built relative to Boole v41r0, with the following changes:

New features new feature

Fixes bug fix workaround

Enhancements enhancement

Code cleanups and changes to tests modernisation cleanup testing