sdbus++: Prepend all errors with 'Error' namespace

Old:
    Error identifier: com.example.Interface.LogicError
    Exception class: com::example::Interface::common::LogicError

New:
    Error identifier: com.example.Interface.Error.LogicError
    Exception class: com::example::Interface::Error::LogicError

Change-Id: I866046f4a0514f5bce40bdef46a218060d107765
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
4 files changed