Bugfix: don't always add the last service to cluster color array.
Bugfix: don't always add the last service to cluster color array.

City-of-Helsinki/servicemap,Zeukkari/servicemap,City-of-Helsinki/servicemap,City-of-Helsinki/servicemap,vaaralav/servicemap,vaaralav/servicemap,Zeukkari/servicemap,vaaralav/servicemap