removed erroneous naming on hex prefabs (7c changed to 7 etc)
created new prefabs for ones that were missing, 4, 19, 20.. and added startpoints to all for pathfinding
split bridge road and road side on hex 10, 11, 12, 13 and re-exported
created new prefabs for 10, 11, 12, 13
Saved over city 2 with city 1 ready to build city out of prefabs