Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/ElementDefn.java
if ( !isAbstract( ) )
		{
			if ( nameConfig.nameSpaceID == MetaDataConstants.NO_NAME_SPACE )
				nameConfig.nameOption = MetaDataConstants.NO_NAME;
			if ( nameConfig.nameSpaceID != MetaDataConstants.NO_NAME_SPACE
					&& nameConfig.nameOption == MetaDataConstants.NO_NAME )
				throw new MetaDataException( new String[]{name},
						MetaDataException.DESIGN_EXCEPTION_INVALID_NAME_OPTION );
			
			if ( nameConfig.nameSpaceID != MetaDataConstants.NO_NAME_SPACE
					&& nameConfig.holder == null )
				throw new MetaDataException( new String[]{name},
						MetaDataException.DESIGN_EXCEPTION_INVALID_NAME_OPTION );
		}
	}
	/**
	 * Builds the style properties in this element.
	 * 
	 * @throws MetaDataException
	 */
	private void buildStyleProperties( ) throws MetaDataException
	{
		
		
		
		addStyleProperties( );
		if ( ReportDesignConstants.EXTENDED_ITEM.equalsIgnoreCase( getName( ) ) )
		{
			List styles = MetaDataDictionary.getInstance( ).getStyle( )