Add flag and check that shared associations are not accepted as private in direct verification requests.
Add flag and check that shared associations are not accepted as private in direct verification requests.

LLG20111699/openid4java,FabianTerhorst/openid4java,angsumalyn/openid4java,FabianTerhorst/openid4java,docmasterdigitalsolutions/openid4java,rajzz9/openid4java,akroy/openid4java,mikevegap/openid4java,rajzz9/openid4java,docmasterdigitalsolutions/openid4java,mikevegap/openid4java,LLG20111699/openid4java,angsumalyn/openid4java,akroy/openid4java