geoadmin/mf-geoadmin3 — pull request #1498 by gjn (2014-06-26 12:56:28+00:00)
Title: Topic Change: Assure default layers not added twice.

https://github.com/geoadmin/mf-geoadmin3/issues/1480

Assuring that the default layers are not added mutliple times. Also, each topics default layers will always be on top when the topic is activated.