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SW-776: added MoMutils package with fix_mom_predecessor_connections script and predecessor_connections.py module to fix LOBOS-like pipeline connections

SW-776: reused parts of LTAIngest's momclient into new common SAS/MoM/MoMSimpleAPIs for reuse, and adapted affected modules

SW-699: be explicit about which python boost component to use. If python3, then spcifiecy python3 and then the normal cmake FindBoost can find the appropiate boost-python3 lib.

SW-657:  Add the CEP4 optimisation target also to GNUCXX11 and move the CEP4 optimisation target to its own variants file

SW-657:  Add a new build variant for CEP4 optimisation to GNUCXX11_2018 and remove -Wno-terminate c++ option to enable warnings for throw statements in dtors

SW-699: added messagelogger which can listen and log all (or filtered) messages from an exchange. Useful for debugging/tracing behaviour in production

SW-662: removed obsolete-unfinished-never-taken-into-production LAPS project, also on this branch to make merging to trunk easier