add default for ECTypeUpdate and ECTypeDelete

wizard-common/src/main/java/org/cobbzilla/wizard/model/entityconfig/annotations/ECTypeDelete.java

@@ -8,5 +8,5 @@ import java.lang.annotation.Target;
 @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.TYPE)
 public @interface ECTypeDelete {
     String method() default "DELETE";
-    String uri();
+    String uri() default "";
 }

wizard-common/src/main/java/org/cobbzilla/wizard/model/entityconfig/annotations/ECTypeUpdate.java

@@ -8,5 +8,5 @@ import java.lang.annotation.Target;
 @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.TYPE)
 public @interface ECTypeUpdate {
     String method() default "POST";
-    String uri();
+    String uri() default "";
 }