[#ARCH-207 Integration tests are broken]

Fixed test deployments (due to new library changes), modified tests to
support current changes.
[#ARCH-202 Unify File Reference Attribute to reference over file alias table]

Now only locations are used for referencing.
Multiple referencing is supported from file to many instances.
modified QC, Store, Retrieve and adjusted index files.
[ARCH-204] Integrate jcloud storage system provider (dcm4chee-storage-cloud)