Supports:

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

bringning in upstream changes.
1 - UsagePoint RESTful GETs
2 - null error handler in BaseController
UsagePoint RESTful
small change to web.xml filter (changed class name)
Added Postman Congfiguration file for testing RESTful during development
Merge remote-tracking branch 'upstream/master'
Postman test folders
Merge remote-tracking branch 'upstream/master'
Step4: RESTful UsagePoint Coverage.
Merge pull request #37 from jateeter/master

Step4 of RESTful Implementation