Make unit goto path drawing work again.
Make unit goto path drawing work again.

The Freeciv server no longer send arrays as json arrays. A format where each array element is stored in a separate field "fieldName_elementNumber" is used in stead. Update the unit goto path drawing code to use the new format.

andreasrosdal/freeciv-web,tltneon/freeciv-web,adaxi/freeciv-web,adaxi/freeciv-web,tltneon/freeciv-web,adaxi/freeciv-web,andreasrosdal/freeciv-web,tltneon/freeciv-web,andreasrosdal/freeciv-web,tltneon/freeciv-web,tltneon/freeciv-web,adaxi/freeciv-web,andreasrosdal/freeciv-web,andreasrosdal/freeciv-web,tltneon/freeciv-web,adaxi/freeciv-web