Adds shared object versioning

catalogue/CMakeLists.txt

cmake/CTAVersions.cmake

common/CMakeLists.txt

common/exception/CMakeLists.txt

cta.spec.in

eos/CMakeLists.txt

mediachanger/CMakeLists.txt

objectstore/CMakeLists.txt

rdbms/CMakeLists.txt

scheduler/CMakeLists.txt

tapeserver/CMakeLists.txt

tapeserver/castor/messages/CMakeLists.txt

tapeserver/castor/tape/tapeserver/SCSI/CMakeLists.txt

tapeserver/castor/tape/tapeserver/daemon/CMakeLists.txt

tapeserver/castor/tape/tapeserver/drive/CMakeLists.txt

tapeserver/castor/tape/tapeserver/file/CMakeLists.txt

tapeserver/castor/utils/CMakeLists.txt

tapeserver/daemon/CMakeLists.txt

tests/CMakeLists.txt

xroot_plugins/CMakeLists.txt