Added mount policy to the Repack Request

Also, packaged the python scripts in the same cta-migration RPM.
The scripts are still WIP.

cta-catalogue-schema-create will now start archive IDs for Oracle databases at 4294967296 in order to avoid clashes with CASTOR

or write.

Implements setTapeMounted in the scheduler interface for RetrieveMount
and ArchiveMount.

Changed the "Tape session started" and "Tape session finished" mountType for Archive Mounts (Repack of User)

Added timer for ContainerTraits<ArchiveQueue>::trimContainerIfNeeded() and ContainerTraits<ArchiveQueue>::getLockedAndFetchedNoCreate()

Upgraded to EOS 4.5.2-20190717163919git42f78ef in order to get additional gRPC fixes from Georgios Bitzes and Elvin Sindrilaru

If this option is used, then the bufferURL provided to the repack request will be the one specified. Otherwise, the repack buffer URL will be the one from the cta-frontend-xrootd.conf file

Added microseconds after the creation time of the object (Agent Reference)

This reverts commit 787d41d2.

files for cta-tape-label.

Add standalone command line tool cta-tape-label.

Command mount, label, umount the tape pointed by VID option. Tape drive
and library parameters used from /etc/cta/TPCONFIG file and catalogue
parameters from /etc/cta/cta-catalogue.conf.
To be labelled the tape must be present in the catalogue and must be
empty.
By default the tool labels the tape with enabled logical block protection
if drive supports such mode. For non-blank tapes command checks previous tape
label and label only if the old label is the same or match to the label in the
command line oldLabel option. To skip label checks for non-blank tapes --force
option could be used.

Moved catalogue/FileSizeMismatch.hpp to common/exception/FileSizeMismatch.hpp because it is so generic