Bug 200919 Add quotation for column containing separator character when export data.[0002]
Description: Add quotation for column containing separator character when export data. Build number:2.2.1.v20070823 Steps to reproduce: 1. New sample data source and dataset. 2. Add a computed column with name a,b and value "a,b". 3. Drag the dataset to Layout. 4. Preview in Web Viewer and Export Data with Comma. Expected result: Column name is quoated as values. Actual result: Column name a,b isn't quotated so it will be treated as two columns. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
* @param servletContext
	 * @param config
	 */
	private ReportEngineService( ServletContext servletContext )
	{
		System.setProperty( "RUN_UNDER_ECLIPSE", "false" ); 
		if ( servletContext == null )
		{
			return;
		}
		
		ParameterAccessor.initParameters( servletContext );
		config = new EngineConfig( );
		
		HTMLRenderOption emitterConfig = new HTMLRenderOption( );
		emitterConfig.setActionHandler( new HTMLActionHandler( ) );
		imageHandler = new HTMLServerImageHandler( );
		emitterConfig.setImageHandler( imageHandler );
		config.getEmitterConfigs( ).put( "html", emitterConfig ); 
		
		imageBaseUrl = IBirtConstants.SERVLET_PATH_PREVIEW + "?__imageID="; 
		
		String logLevel = ParameterAccessor.logLevel;
		Level level = logLevel != null && logLevel.length( ) > 0 ? Level
				.parse( logLevel ) : Level.OFF;
		config.setLogConfig( ParameterAccessor.logFolder, level );
		
		String scriptLibDir = ParameterAccessor.scriptLibDir;
		ArrayList jarFileList = new ArrayList( );
		if ( scriptLibDir != null )