Bug 182062 Define and provide Date/Time format value
DateTime type has been supported in BIRT. Now, there's a proposal on support Date/Time type in BIRT Report Designer. In order to enable end user setting the format of Date/Time type, please define and provide format value for both Date and Time.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
&& virtualElement.getStyle( ) == null )
			{
				writer.endElement( );
				continue;
			}
			assert virtualElement.getExtendsElement( ) == null;
			List propDefns = null;
			if ( virtualElement instanceof ExtendedItem )
			{
				propDefns = ( (ExtendedItem) virtualElement ).getExtDefn( )
						.getProperties( );
			}
			else
			{
				propDefns = virtualElement.getPropertyDefns( );
			}
			for ( int i = 0; i < propDefns.size( ); i++ )
			{
				PropertyDefn propDefn = (PropertyDefn) propDefns.get( i );
				
				if ( IDesignElementModel.NAME_PROP.equalsIgnoreCase( propDefn
						.getName( ) )
						|| propDefn.getTypeCode( ) == IPropertyType.ELEMENT_TYPE )
					continue;
				if ( virtualElement instanceof ExtendedItem
						&& IExtendedItemModel.EXTENSION_NAME_PROP
								.equalsIgnoreCase( propDefn.getName( ) ) )
					continue;
				boolean cdata = false;
				if ( propDefn.getTypeCode( ) == IPropertyType.SCRIPT_TYPE