Bug 213126 Add support for DataEngine-leve dataset cache
In many cases the DataEngine-leve dataset cache is useful which ensure that a dataset is executed one time during rendering one report. To support this feature a new dataset property should be added. The Birt customer can choose whether this dataset need to be cached or not by setting the property in deisgn time.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
property( obj, IStyleModel.TEXT_INDENT_PROP );
		property( obj, IStyleModel.LETTER_SPACING_PROP );
		property( obj, IStyleModel.LINE_HEIGHT_PROP );
		property( obj, IStyleModel.ORPHANS_PROP );
		property( obj, IStyleModel.TEXT_TRANSFORM_PROP );
		property( obj, IStyleModel.VERTICAL_ALIGN_PROP );
		property( obj, IStyleModel.WHITE_SPACE_PROP );
		property( obj, IStyleModel.WIDOWS_PROP );
		property( obj, IStyleModel.WORD_SPACING_PROP );
		
		property( obj, IStyleModel.DISPLAY_PROP );
		property( obj, IStyleModel.MASTER_PAGE_PROP );
		property( obj, IStyleModel.PAGE_BREAK_AFTER_PROP );
		property( obj, IStyleModel.PAGE_BREAK_BEFORE_PROP );
		property( obj, IStyleModel.PAGE_BREAK_INSIDE_PROP );
		property( obj, IStyleModel.SHOW_IF_BLANK_PROP );
		property( obj, IStyleModel.CAN_SHRINK_PROP );
		
		List list = (ArrayList) obj.getLocalProperty( getModule( ),
				IStyleModel.HIGHLIGHT_RULES_PROP );
		if ( list != null && list.size( ) > 0 )
		{
			writer.startElement( DesignSchemaConstants.LIST_PROPERTY_TAG );
			writer.attribute( DesignSchemaConstants.NAME_ATTRIB,
					IStyleModel.HIGHLIGHT_RULES_PROP );
			for ( int i = 0; i < list.size( ); i++ )
			{
				HighlightRule rule = (HighlightRule) list.get( i );
				writer.startElement( DesignSchemaConstants.STRUCTURE_TAG );
				property( rule, StyleRule.IS_DESIGN_TIME_MEMBER );