Proper gui/os image metadata handling

snf-cyclades-app/synnefo/ui/static/snf/js/glance_models.js

@@ -29,6 +29,14 @@
 
         display_size: function() {
             return this.get_readable_size();
+        },
+
+        get_os: function() {
+            return this.get_meta('os');
+        },
+
+        get_gui: function() {
+            return this.get_meta('gui');
         }
         
     })

snf-cyclades-app/synnefo/ui/static/snf/js/models.js

@@ -1234,6 +1234,10 @@
                                           this.get_image(function(){}).get_os() || "okeanos" : "okeanos");
         },
 
+        get_gui: function() {
+            return this.get_meta('GUI');
+        },
+
         // get public ip addresses
         // TODO: public network is always the 0 index ???
         get_addresses: function(net_id) {

snf-cyclades-app/synnefo/ui/static/snf/js/ui/web/ui_create_view.js

@@ -1086,8 +1086,8 @@
             
             set_detail("description");
             set_detail("name");
-            set_detail("os", _(image.escape("OS")).capitalize());
-            set_detail("gui", image.get("GUI"));
+            set_detail("os", _(image.get_os()).capitalize());
+            set_detail("gui", image.get_gui());
             set_detail("size", _.escape(image.get_readable_size()));
             set_detail("kernel");
         },