small fix when receive new data for collection

Author: pablorsk

src/library/services/memorycache.ts

@@ -55,6 +55,7 @@ export class MemoryCache implements ICache {
             resource.id = id;
 
             if (id && use_store) {
+                console.log('pido al store');
                 Converter.getService(type).memorycache.getResourceFromStore(resource);
             }
 
@@ -100,6 +101,7 @@ export class MemoryCache implements ICache {
         promise.then (
             success => {
                 if (success) {
+                    console.log('recibí del store, actualizo');
                     Converter.build({ data: success }, resource);
                 }
             }

src/library/services/resource-relationships-converter.ts

@@ -112,7 +112,8 @@ export class ResourceRelationshipsConverter {
 
         // trae datos o cambió resource? actualizamos!
         if (
-            'attributes' in relation_data_from.data ||
+            // 'attributes' in relation_data_from.data ||  // ???
+            !(<IResource>this.relationships_dest[relation_data_key].data).attributes ||     // we have only a  dataresource
             (<IResource>this.relationships_dest[relation_data_key].data).id !== relation_data_from.data.id
         ) {
             let resource_data = this.__buildRelationship(relation_data_from.data, this.included_resources);