2020-02-28 Boole v41r0

This version uses Lbcom v31r0, LHCb v51r0, Gaudi v33r0 and LCG 96b with ROOT 6.18.04.

This version is released on master branch. Built relative to Boole v40r6, with the following changes:

New features new feature

Fixes bug fix workaround

Enhancements enhancement

Code cleanups and changes to tests modernisation cleanup testing