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/AuthenticationContext.java

@@ -24,6 +24,8 @@
  */
 package org.alfresco.repo.security.authentication;
 
+import org.alfresco.service.Auditable;
+
 import net.sf.acegisecurity.Authentication;
 import net.sf.acegisecurity.UserDetails;
 
@@ -87,6 +89,11 @@ public interface AuthenticationContext
      * True if this is the System user ?
      */
     public boolean isSystemUserName(String userName);
+    
+    /**
+     * Is the current user the system user?
+     */
+    public boolean isCurrentUserTheSystemUser();
 
     /**
      * Get the name of the Guest User. Note: for MT, will get guest for default domain only