Grid: simplify createRowCells logic to always create trs; fixes #387
Grid: simplify createRowCells logic to always create trs; fixes #387

kfranqueiro/dgrid,maier49/dgrid,dylans/dgrid,kfranqueiro/dgrid,maier49/dgrid,kfranqueiro/dgrid,dylans/dgrid,maier49/dgrid,dylans/dgrid