Bug 191168 [Regression]Exception occurs when resize masterpage in library
Description: Exception occurs when resize masterpage in library. Build number:2.2.0.v20070606-0630 Regression bug:187443 Steps to reproduce: 1. New a library. 2. Go to Master Page, resize the master page using the ruler. Expected result: 1. Layout works correctly. 2. No exception is thrown out. Error log: An unexpected internal exception occurred.Please see log for detail. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Designer UI Plug-in ID:org.eclipse.birt.report.designer.ui Version:2.2.0.v20070606-0630 Error Code:Error.GUIException.invokedByUnexpectedException Error Message:org.eclipse.birt.report.designer.internal.lib.lalyout.LibraryReportDesignLayout
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
* @param level
	 *            the depth of the library
	 * @return the library with the given location path if found, otherwise null
	 */
	public Library getLibraryByLocation( String theLocation, int level )
	{
		
		if ( StringUtil.isBlank( theLocation ) )
			return null;
		
		
		List libraries = getLibraries( level );
		for ( int i = 0; i < libraries.size( ); i++ )
		{
			Library library = (Library) libraries.get( i );
			if ( theLocation.equalsIgnoreCase( library.getLocation( ) ) )
				return library;
		}
		
		return null;
	}
	/**
	 * Finds a template parameter definition by name in this module and the
	 * included modules.
	 * 
	 * @param name
	 *            name of the template parameter definition to find
	 * @return the template parameter definition, if found, otherwise null.
	 */
	public TemplateParameterDefinition findTemplateParameterDefinition(