auomatically append "order by id" when paging and query.orderById = true (#1275)

Add ServerConfig.setDefaultOrderById() and query.orderById(boolean) ... to control automatically append "order by id" with paging query

src/main/java/io/ebeaninternal/api/SpiQuery.java

@@ -1,7 +1,6 @@
 package io.ebeaninternal.api;
 
 import io.ebean.CacheMode;
-import io.ebean.EbeanServer;
 import io.ebean.ExpressionList;
 import io.ebean.OrderBy;
 import io.ebean.PersistenceContextScope;
@@ -338,7 +337,7 @@ public interface SpiQuery<T> extends Query<T>, TxnProfileEventCodes {
   /**
    * Return a copy of the query attaching to a different EbeanServer.
    */
-  SpiQuery<T> copy(EbeanServer server);
+  SpiQuery<T> copy(SpiEbeanServer server);
 
   /**
    * Return the type of query (List, Set, Map, Bean, rowCount etc).
@@ -593,6 +592,11 @@ public interface SpiQuery<T> extends Query<T>, TxnProfileEventCodes {
    */
   boolean checkPagingOrderBy();
 
+  /**
+   * Return true if there is no Order By clause.
+   */
+  boolean orderByIsEmpty();
+
   /**
    * Return the Order By clause or null if there is none defined.
    */