core:Add Data Center event message is missing ...

Add Data Center event message is missing important parameters values.

Adding Data Center Type, Compatibility Version and Quota Enforcement
type to the audit log message generated when adding a Data Center.

Change-Id: I216bb1d2311e3257da6819ab786514a078105e1c
Signed-off-by: Eli Mesika <emesika@redhat.com>
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=834849