Converted ServiceInstances to catalog db client

Converted ServiceInstances to catalog db client

- Fixed issues related to created Date Format, enabled required Test
- Fixed issues related to queryParam names, enabled required Test
- Fixed issues related to queryParam names
-  Improving coverage for catalogDbClient by another 10% (its 78% now)
-  Improving coverage for catalogDbClient by another 10%. There is a
failing test which will be explored shortly
-  Improving coverage for catalogDbClient, adding some tests and their
basic asserts
- merging with dev and resolving the compilation issue arising due to it
- Removing some TODO introduced in code for incremental pushes
- Fixing failing unit test cases with the build
- Refactoring done for code change in catalogDBClient
- merged changes with development branch
- Modified unit tests for Catalogdb Client related code
- Modified unit tests for Catalogdb Client related code
- Fixed some of the repository code for retrieving single resource
- Modified unit tests for Catalogdb Client related code
- Modified unit tests for Catalogdb Client related code
- Modified unit tests for Catalogdb Client related code
- Removed @Param from repositories and added -Parameters argument in
maven compile plugin
...

Change-Id: Ieeb7bcc21a573465e485fedfbbe771c8b89db3f8
Issue-ID: SO-925
Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>