DATAREST-41 Fix bug in JSON reading that wasn't advancing JSON parser past the value of "links" on incoming JSON, causing the entity properties to not be read correctly which prevents the update from succeeding correctly.

spring-data-rest-webmvc/src/main/java/org/springframework/data/rest/webmvc/json/RepositoryAwareJacksonModule.java

@@ -259,6 +259,13 @@ public class RepositoryAwareJacksonModule extends SimpleModule implements Initia
               continue;
             }
 
+            if("links".equals(name)) {
+              while((tok = jp.nextToken()) != JsonToken.END_ARRAY) {
+                // Advance past the links
+              }
+              continue;
+            }
+
             if(null == attrMeta) {
               // do nothing
               continue;