Automatically open/close service cart on add/remove.
Automatically open/close service cart on add/remove.

Fixes #192.

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