Fixes "EOS does not pass sys.* xattrs to CTA"

Corrected the segmentation fault problem if exception happens while the reporting of ArchiveSuccesses fails

Renames CTA_ArchiveFileID to sys.archive.file_id
Renames CTA_StorageClass to sys.archive.storage.class

should be copy truncated instead of being moved.

Added repack ls command at repack failure in repack system test

Revert "vanilla eos 4.6.2 is not a drop in replacement 4.6.2-20191118180911git0fe7966 is compiled against standalone xrootd 4.11"

This reverts commit b2157fe9f0d685640db34e6b78101f917554a54a.

vanilla eos 4.6.2 is not a drop in replacement 4.6.2-20191118180911git0fe7966 is compiled against standalone xrootd 4.11

Revert "Added oracle-instantclient-tnsnames.ora which was implicitly being installed by oracle-instantclient19.3-meta which we no longer install"

This reverts commit 8083df2a.

This reverts commit eede4fb2.

Added oracle-instantclient-tnsnames.ora which was implicitly being installed by oracle-instantclient19.3-meta which we no longer install

Upgraded to EOS 4.6.1-20191104142842git30eddf6 in order to get the missing commits for being able to configure the EOS space written to be tape servers

Upgraded to EOS 4.6.1-20191106151453git21dd306 in order to be able to configure the EOS space written to be tape servers

This reverts commit edf98416.

docker/ctafrontend/cc7/opt/run/bin/init.sh now installs the standard oracle-instantclient19.3-sqlplus rpm instead of the CERN version

Removed objectstore initialization agent after objectstore initialization (cta-objectstore-initialize.cpp)
Catched other exceptions in continuousintegration/orchestration/tests/client-ar-abortPrepare.cpp