Sets the grid position, spans, and alignment for the child when contained in a gridpane.

Parameters:

child		the child node of a gridpane
columnIndex		the column index position for the child
rowIndex		the row index position for the child
columnspan		the number of columns the child should span
rowspan		the number of rows the child should span
halignment		the horizontal alignment of the child
valignment		the vertical alignment of the child
hgrow		the horizontal grow priority of the child
vgrow		the vertical grow priority of the child