cluster_search_ui/commit

Added catches to image checking on server, in case of working offline..

diff --git a/lib/cluster_search_ui/enrichment.pl b/lib/cluster_search_ui/enrichment.pl
index 4710e7e..e3547b4 100644
--- a/lib/cluster_search_ui/enrichment.pl
+++ b/lib/cluster_search_ui/enrichment.pl
@@ -95,13 +95,13 @@ thumbnail_url(Uri, ThumbUrl) :-
     check_cache_shown(Uri, Image), !,
 	thumb_link(Image, ThumbUrl).
 thumbnail_url(Uri, ThumbUrl) :-
-    check_server_shown(Uri, Image), !,
+    catch(check_server_shown(Uri, Image), _, fail), !,
 	thumb_link(Image, ThumbUrl).
 thumbnail_url(Uri, ThumbUrl) :-
     check_cache_view(Uri, Image), !,
 	thumb_link(Image, ThumbUrl).
 thumbnail_url(Uri, ThumbUrl) :-
-    check_server_view(Uri, Image), !,
+    catch(check_server_view(Uri, Image), _, fail), !,
 	thumb_link(Image, ThumbUrl).
 thumbnail_url(_, Stub) :- http_absolute_location(img('stub.png'), Stub, []).
 
@@ -157,10 +157,13 @@ ssl_verify(_SSL,
 
 %%	get_title(+Uri, -Title)
 %
-%	Returns a title or the URI if no title is found.
+%	Returns a title or the last part of the URI if no title is found.
 get_title(Uri, Title) :-
     rdf(Uri, dc:title, literal(lang(_,Title))), !.
+get_title(Uri, UriLabel) :-
+	 iri_xml_namespace(Uri, _, UriLabel), !.
 get_title(Uri, Uri).
 
 sandbox:safe_primitive(rdf_label:rdf_display_label(_,_,_)).
 sandbox:safe_primitive(enrichment:enrich_item(_,_)).
+sandbox:safe_primitive(sgml:iri_xml_namespace(_,_,_)).