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
public void includeLibrary( String libraryFileName, String namespace )
			throws DesignFileException, SemanticException
	{
		LibraryCommand command = new LibraryCommand( module );
		command.addLibrary( libraryFileName, namespace );
	}
	/**
	 * Drops the given library from the included libraries of this design file.
	 * 
	 * @param library
	 *            the library to drop
	 * @throws SemanticException
	 *             if error is encountered when handling
	 *             <code>IncludeLibrary</code> structure list. Or it maybe
	 *             because that the given library is not found in the design. Or
	 *             that the library has descedents in the current module
	 */
	public void dropLibrary( LibraryHandle library ) throws SemanticException
	{
		if ( library == null )
			return;
		LibraryCommand command = new LibraryCommand( module );
		command.dropLibrary( (Library) library.getElement( ) );
	}
	/**
	 * Reloads the library with the given library file path. If the library
	 * already is included directly, reload it. If the library is not included,
	 * exception will be thrown.
	 * <p>
	 * Call this method cautiously ONLY on the condition that the library file