Fixed start-index=1 error (symptom was empty RESTful member get)

* Still need to throw an appropriate Exception when an empty member
exists

* also added ROOT queries to TimeConfiguration and MeterReading
Merge pull request #55 from jateeter/master

Fixed start-index=1 error (symptom was empty RESTful member get)
re-write of the <link> "related" and "self" href generation
movement of xxxxxService -> ResourceService in the export classes
Update of the ExportFilter code style
Merge pull request #56 from jateeter/master

re-write of the <link> "related" and "self" href generation
Subscription/ThirdParty Integration
Merge pull request #58 from jateeter/master

Subscription/ThirdParty Integration