Merge branch 'dev' of github.com:cismet/watergis-client into dev
working on #2: improving action enabling
working on #2: added isActionsAlwaysEnabled() for development/debugging activities
working on #1: added a layer in the default configuration that can be retrieved without beeing in the cismet vpn (Stadtplan Wupp Geoportal)
working on #1: resurrect the map (missing unlock()) and adding a simple internal layer widget (show it with double click on status bar)
working on #2: improving action enabling