EditColumnsView: Don't overflow the window, and scroll nicely when too big.
EditColumnsView: Don't overflow the window, and scroll nicely when too big.

Works great on touch as well.

mdittmer/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,osric-the-knight/foam,jacksonic/foam,foam-framework/foam,osric-the-knight/foam,jacksonic/foam,osric-the-knight/foam,jacksonic/foam,mdittmer/foam,foam-framework/foam,mdittmer/foam,jlhughes/foam,jlhughes/foam,mdittmer/foam,foam-framework/foam,jlhughes/foam,jlhughes/foam,osric-the-knight/foam