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/core/Module.java
*         <code>ErrorDetail</code>.
	 * 
	 * @see ErrorDetail
	 */
	public List getWarningList( )
	{
		List allErrors = getAllErrors( );
		return ErrorDetail.getSemanticErrors( allErrors,
				DesignFileException.DESIGN_EXCEPTION_SEMANTIC_WARNING );
	}
	/**
	 * Performs a semantic check of this element, and all its contained
	 * elements. Records errors in the module context.
	 * <p>
	 * Checks the contents of this element.
	 * 
	 * @param module
	 *            the module information needed for the check, and records any
	 *            errors
	 */
	public final void semanticCheck( Module module )
	{
		allExceptions = validateWithContents( module );
		
		if ( module instanceof ReportDesign )
		{
			ContainerSlot slot = module
					.getSlot( ReportDesign.TEMPLATE_PARAMETER_DEFINITION_SLOT );
			assert slot != null;
			for ( int i = slot.getCount( ) - 1; i >= 0; i-- )