SW-644: Fixed FileLocator to match behaviour on trunk at r41523, which was messed up by a merge from the release branch and fixes after that

SW-644: Fixed test for tFileLocator which used conflicting precedence resolution wrt (merged) design. Conflict was whether looking in a provided subdir takes precedence (test said yes, code says no)

SW-644: Merged LOFAR-Release-3_2 into trunk. Imports various updates & bugfixes, including QA updates, SASGateway loglines, FileLocator fix, SLURM client out of the lofar-pipeline Docker image

ROHD-1592: added option to create a minimal/unspecified SIP in case the MoM SIP is invalid. Used it for WTG-verification-DMO project.

SW-589: Fixed LargeFiledesIO deprecation warnings, and added include in InputParSet.h to import the conditional namespace #define in casacore2, making it compatible with both casacore2 and 3 (Merged r41783,r41784,r41928 from Cobalt2 branch)

SW-649: added convenience script for Cobalt2 commissioning to easily switch an observation to use either cobalt1 or cobalt2

SW-649: added convenience script for Cobalt2 commissioning to easily switch an observation to use either cobalt1 or cobalt2

SW-598: Change variable names to match names from the official algorithm reference bases on code review