move layer 'ch.kantone.ivs-reg_loc' from ivs.js to Layers.js. Step 2/2

git-svn-id: https://svn.bgdi.admin.ch/mf-chsdi/trunk/chsdi@3987 e100092c-b5e6-494f-8bdf-19c1ff2a4001
Activ 3 new BLW layers

git-svn-id: https://svn.bgdi.admin.ch/mf-chsdi/trunk/chsdi@3988 e100092c-b5e6-494f-8bdf-19c1ff2a4001
Activ 3 new BLW layers

git-svn-id: https://svn.bgdi.admin.ch/mf-chsdi/trunk/chsdi@3989 e100092c-b5e6-494f-8bdf-19c1ff2a4001
Activ 3 new BLW layers

git-svn-id: https://svn.bgdi.admin.ch/mf-chsdi/trunk/chsdi@3990 e100092c-b5e6-494f-8bdf-19c1ff2a4001