Bug 156497 [Regression][Acceptance]Report isn't refreshed when delete used library file.
Description: Report isn't refreshed when delete used library file. Steps to reproduce: 1.New a library, add a label, input actuate. 2.New a report, extend lib.label 3.Delete the library file. 4.Refresh the report in Outline of the report Expected result: Empty label in Layout. Actual result: label with content "actuate" in Layout.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
* @see org.eclipse.birt.report.model.api.DesignElementHandle#drop()
	 */
	public void drop( ) throws SemanticException
	{
		throw new IllegalOperationException( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.DesignElementHandle#dropAndClear()
	 */
	public void dropAndClear( ) throws SemanticException
	{
		throw new IllegalOperationException( );
	}
	/**
	 * Get the base name of the customer-defined resource bundle.
	 * 
	 * @return the base name of the customer-defined resource bundle.
	 */
	public String getIncludeResource( )
	{
		return getStringProperty( INCLUDE_RESOURCE_PROP );
	}
	/**
	 * Set the base name of the customer-defined resource bundle. The name is a
	 * common base name, e.g: "myMessage" without the Language_Country suffix,
	 * then the message file family can be "myMessage_en.properties",
	 * "myMessage_zh_CN.properties" etc. The message file is stored in the same
	 * folder as the design file.