Merge pull request cloudbees-oss#121 from matthewtckr/patch-1

Fix Group getUpdatedAt mapping

Author: stephenc

src/main/java/org/zendesk/client/v2/model/Group.java

@@ -64,7 +64,7 @@ public void setCreatedAt(Date createdAt) {
         this.createdAt = createdAt;
     }
 
-    @JsonProperty("deleted_at")
+    @JsonProperty("updated_at")
     public Date getUpdatedAt() {
         return updatedAt;
     }