adjusted builder interface

tools.descartes.pmx.builder/src/tools/descartes/pmx/builder/IModelBuilder.java

@@ -64,7 +64,8 @@ public interface IModelBuilder {
 	public void addProvidedRole(String componentName, String interfaceName);
 	public void addRequiredRole(String componentName, String interfaceName);
 	public void addComponent(String componentName);
-	public void addHost(String name);
+
+	public void addHost(String name, int numCores);
 	public EObject addAllocationContext(String componentName, String hostName);
 	public EObject addAssembly(String name);
 	public void addInterface(String typeName);