Avoided counting an error for files hitting end of tape.

Improved test output.

Merge branch '533-retrieve-disk-system-backpressure' into 252-handle-the-abort_prepare-workflow-event-in-cta

Conflicts:
	scheduler/OStoreDB/OStoreDB.cpp
	scheduler/OStoreDB/OStoreDB.hpp
	scheduler/OStoreDB/OStoreDBFactory.hpp
	scheduler/Scheduler.cpp
	scheduler/SchedulerDatabase.hpp

Merge remote-tracking branch 'origin/master' into 252-handle-the-abort_prepare-workflow-event-in-cta

Conflicts:
	continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh

Removed debug prints.

PostgresCatalogue::beginCreateTemporarySetDeferred() now calls conn.executeNonQueries() instead of conn.executeNonQuery()

Disk systems were not cleaned up from catalogue in system tests. This led to failure of tests against a persistent DB.

Also created a script to easily run the postgresql-backed DB unit tests outside of CI.

Conflicts:
	objectstore/DriveState.hpp
	objectstore/cta.proto
	scheduler/OStoreDB/OStoreDB.cpp
	scheduler/OStoreDB/OStoreDB.hpp
	scheduler/Scheduler.cpp
	scheduler/SchedulerDatabase.hpp
	scheduler/SchedulerDatabaseTest.cpp

This reverts commit 1d00be82.

Added files and bytes count for Retrieved files from User or Repack in the "tape session finished" message
Made the Repack system test clearer by printing steps and by adding folders for the reports

Changed the logging of successful Retrieve and Archive jobs to differentiate between User and Repack jobs

Conflicts:
	migration/castor/castorns_ctamigration_schema.sql