Refactor Get Modules by CMHandle flow

- Used jayway to convert sdnc response to POJO to clean up classes
- Moved SDNC error handling to the SDNCOperation
- Added SdncException
- Added spring-security test Mock user in the controllerSpec

Issue-ID: CPS-571
Signed-off-by: Renu Kumari <renu.kumari@bell.ca>
Change-Id: Ice91e48536dd2e309721440b61d37a49ce43b403
11 files changed