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
{
		return getModule( ).removeValidationListener( listener );
	}
	/**
	 * Checks the element name in name space of this report.
	 * 
	 * <ul>
	 * <li>If the element name is required and duplicate name is found in name
	 * space, rename the element with a new unique name.
	 * <li>If the element name is not required, clear the name.
	 * </ul>
	 * 
	 * @param elementHandle
	 *            the element handle whose name is need to check.
	 */
	public void rename( DesignElementHandle elementHandle )
	{
		if ( elementHandle == null )
			return;
		module.rename( elementHandle.getElement( ) );
	}
	/**
	 * Replaces the old config variable with the new one.
	 * 
	 * @param oldVar
	 *            the old config variable
	 * @param newVar
	 *            the new config variable
	 * @throws SemanticException
	 *             if the old config variable is not found or the name of new