Added sandbox for openxds ws calls
xds provides findDocumentDossiers for patientId
Renamed xds class to reflect actor in specification. Refactored lib/xdsdocumentconsumer to reuse code between svc calls
xsdDocumentConsumer tests pass vs openXds server
Merged commit 'b9c8281b67babd53f9a00348a18289502fc5a069' into xdsdocumentconsumer
Added xdsAdapter
Stub xdsAdapter returns CDA clinical document. getDocument request handler refactored to use xdsAdapter
xdsAdapter connects to preconfigured openXDS server and retrieves documents