Move common code from clients to super class

Refactor existing client classes to make them more generic and ready for extensions

Signed-off-by: Rafal Wrzesniak <r.wrzesniak@partner.samsung.com>
Change-Id: Ibf41a7739e5df8254649b56a6bef64be0f1057cc
Signed-off-by: Rafal Wrzesniak <r.wrzesniak@partner.samsung.com>
Issue-ID: CCSDK-3455
7 files changed