Adapt to new Gaudi monitoring

See also merge request to master !2209 (merged)

Also, take .gitignore from master.

Goes together with LHCb!2800 (merged), Lbcom!510 (merged), Boole!313 (merged), !2229 (merged), Brunel!1079 (merged), Phys!800 (merged), Analysis!706 (merged), DaVinci!440 (merged), Alignment!144 (merged)

Corresponding MRs to master: LHCb!2761 (merged), Lbcom!506 (merged), Boole!312 (merged), !2209 (merged), Brunel!1074 (merged), Phys!796 (merged), Analysis!701 (merged), DaVinci!433 (merged)