Support filling detail band rows to specified number of rows or page …

[ozawa-hi]

Add property "net.sf.jasperreports.rows.to.fill" that will fill details band to fill with empty rows to specified number of rows or till page break. e.g.

Will add commits to support in List component.

[teodord]

Having a fixed number of rows on a page works only under the assumption that the rows cannot expand and have variable height. They need to stay of fixed height if a certain number of them need to fit on the page. Is this correct?