Enable cold bootstrap without waking up authentication component. Made ImporterComponent use AuthenticationContext rather than AuthenticationService. Was then able to roll back temporary fix to AuthenticationFilter (from 13673).

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13727 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/security/authentication/AbstractAuthenticationComponent.java

@@ -320,6 +320,16 @@ public abstract class AbstractAuthenticationComponent implements AuthenticationC
         return authenticationContext.isSystemUserName(userName);
     }
 
+    /**
+     * Is the current user the system user?
+     * 
+     * @return boolean
+     */
+    public boolean isCurrentUserTheSystemUser()
+    {
+        return authenticationContext.isCurrentUserTheSystemUser();
+    }
+
     /**
      * Get the name of the Guest User note: for MT, will get guest for default domain only
      *