Merged HEAD-BUG-FIX (4.3/Cloud) to HEAD (4.3/Cloud)

64416: Merged WAT1 (4.3/Cloud) to HEAD-BUG-FIX (4.3/Cloud)
      61735: ACE-493: Made Sites Public REST API Get method callable by Admins or by users that are made members of the new "Site Admin" group.
      ACE-503: Created a new PUT method in Sites Public REST API, such that it is possible to modify the visibility of a site.
      ACE-511: Created a new DELETE method in Sites Public REST API, such that it is possible to delete a site.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@64562 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/site/SiteService.java

@@ -510,4 +510,15 @@ public interface SiteService
 
     @NotAuditable
     int countAuthoritiesWithRole(String shortName, String role);
+    
+    /**
+     * Indicates whether the specified user is a site administrator or not.
+     * <p>
+     * Note: The super/repo admin is considered to be a site administrator too.
+     * 
+     * @param userName The user name
+     * @return true if the specified user is a 'site administrator', false otherwise
+     */
+    @NotAuditable
+    boolean isSiteAdmin(String userName);
 }