Simplified & renamed types

SDT/schema4.0/docs/SDT_UML.uxf

SDT/schema4.0/docs/images/SDT_UML_Basic_Elements.png

SDT/schema4.0/docs/images/SDT_UML_DataType.png

SDT/schema4.0/docs/images/SDT_simplified.png

SDT/schema4.0/etc/domain.rnc

SDT/schema4.0/src/domain.rng

SDT/schema4.0/src/domain.xsd

SDT/schema4.0/test/EchonetLiteExamples.xml

SDT/schema4.0/test/SimpleExample.xml

SDT/schema4.0/test/arg-test.xml

SDT/schema4.0/test/dal-core.xml

SDT/schema4.0/test/dal-eg.xml

SDT/schema4.0/test/datapoint-test.xml

SDT/schema4.0/test/datatypes-test.xml

SDT/schema4.0/test/deviceClass-test.xml

SDT/schema4.0/test/deviceModbusTemperature.xml

SDT/schema4.0/test/example1.SDT.xml

SDT/schema4.0/test/extends-test.xml

SDT/schema4.0/test/mseeb.xml

SDT/schema4.0/test/productClass-test.xml