Supports:

GET /DataCustodian/espi/1_1/resource/RetailCustomer/i/UsagePoint
Merge remote-tracking branch 'upstream/master'

bringing in upstream changes.
UsagePoint RESTful GETs
Update for RESTful.
Merge remote-tracking branch 'upstream/master'
RESTful Step4 - Full support of UsagePoint
Merge pull request #15 from jateeter/master

Step4 of RESTful Implementation