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
return resolveNativeElement( name, PAGE_NAME_SPACE );
	}
	/**
	 * Finds a parameter by name in this module and the included modules.
	 * 
	 * @param name
	 *            The parameter name.
	 * @return The parameter, if found, otherwise null.
	 */
	public DesignElement findParameter( String name )
	{
		return resolveNativeElement( name, PARAMETER_NAME_SPACE );
	}
	/**
	 * Gets a name space.
	 * 
	 * @param ns
	 *            The name space ID.
	 * @return The name space.
	 */
	public NameSpace getNameSpace( int ns )
	{
		assert ns >= 0 && ns < NAME_SPACE_COUNT;
		return nameSpaces[ns];
	}
	/**
	 * Returns the module name space instance for the given name space in this
	 * module.
	 * 
	 * @param nameSpace