[PLATFORM] Add new fake deployment to fix offline certificates generation

Add new fake deployment to CertService, controlled by new global flag global.offlineDeployment, which is disabled as default. Change Makefile to use java image from ONAP Nexus for certificate generation.

Signed-off-by: Adam Wudzinski <adam.wudzinski@nokia.com>
Issue-ID: OOM-2588
Change-Id: I2f9fe4b626604c5bfd8512449d893015bdc6ca98
4 files changed