Nico Rehwaldt a7a1743df0 fix(modeling): properly cascade label deletion
Ensure we execute the following nicely:

* unset name -> remove label shape
* remove label shape -> unset name
2018-06-11 11:39:08 +02:00
..
2018-04-03 18:09:53 +02:00
2018-04-03 16:32:14 +02:00