Add update UML for 'Product'.

.gitignore

 .DS_Store
+/.project

SDT/schema4.0/docs/.gitignore

+/.Introduction.md.html
+/.SDT_Components.md.html

SDT/schema4.0/docs/SDT_Components.md

@@ -187,11 +187,11 @@ The element has the following child elements:
 ```
 <Product id="myMseebProduct">
 	<Extends domain="org.exampleDomain" class="MSEEB.root">
-		<ImplementProperty>
+		<ImplementPropertyies>
 			<Property name="name" value="product-abc"/>
 			<Property name="vendor" value="xyz"/>
 			<Property name="SerialNumber"/>
-		</ImplementProperty>
+		</ImplementProperties>
 		<ImplementModuleClasses>
 			<MoudleClass name="rootPowerOnOff"/>
 			<MoudleClass name="power" />