Version: 	2.1
Date:		2017-06-21
Changes by:	Andrea Timm, Markus Beth, Werner Bochtler

Inventories.xsd
===============
- updated version to 2.1
- added new mandatory attribute "SCHEMA_VERSION" to root 
  element "INVENTORIES"
- removed some obsolete dots

basicTypes.xsd
==============
- updated version to 2.1
- added new simpleType "schemaVersionType" 
- removed some obsolete dots