Can handle one to many & many to one relations in docstore only entities (#1158)

src/main/java/io/ebeaninternal/server/deploy/BeanDescriptorManager.java

@@ -1038,6 +1038,13 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
     }
 
     if (prop.getMappedBy() == null) {
+      // if we are doc store only we are done
+      // this allowes the use of @OneToMany in @DocStore - Entities
+      if (info.getDescriptor().isDocStoreOnly()) {
+        prop.setUnidirectional();
+        return;
+      }
+      
       if (!findMappedBy(prop)) {
         makeUnidirectional(info, prop);
         return;

src/main/java/io/ebeaninternal/server/deploy/BeanPropertyAssocOne.java

@@ -96,7 +96,7 @@ public class BeanPropertyAssocOne<T> extends BeanPropertyAssoc<T> {
 
     if (!isTransient) {
       //noinspection StatementWithEmptyBody
-      if (embedded) {
+      if (embedded || descriptor.isDocStoreOnly()) {
         // no imported or exported information
       } else if (!oneToOneExported) {
         importedId = createImportedId(this, targetDescriptor, tableJoin);