REST operations using Delta Report

REST operations using Delta Report

- Feature that uses the delta report to perform REST operations.
- The code uses underlying CPS data java interface logic to perform the
  REST operations.
- The REST operations are executed based on the 'action' identified in the
  delta report.
- The supported operations are: create, delete and update.
- Fixed indentation error in CpsDataServiceImpl

Issue-ID: CPS-2614
Change-Id: Ic1c9f5d2320afd8e4fb49b638e6636291124ea75
Signed-off-by: Arpit Singh <AS00745003@techmahindra.com>