Refs #766: Block server will now deal with unique name capitalisation properly.
Refs #766: Block server will now deal with unique name capitalisation properly.

If a new name is given, with the same name but different capitalisation to an existing synoptic, then the new name will be used on disk and in the PVs.


Former-commit-id: d95b98761abb59555e8f96abf6b0ea26d15b1e70
ISISComputingGroup/EPICS-inst_servers,ISISComputingGroup/EPICS-inst_servers