Changes that need to be backported to Run 1-2 code (run2-patches branch)

A merge request with this label is picked up in the lhcb-sanitizers nightly slot.

A merge request with this label is picked up in the lhcb-head nightly slot.

A merge request with this label is picked up in the lhcb-gaudi-head nightly slot.

Functor framework and concrete functors

Merge requests for SIm09 branch to be picked up in a future release

Merge to be propagated to development in master