Fix [adhocracy.lib.instance.discriminator] No such instance: ... bug
Fix [adhocracy.lib.instance.discriminator] No such instance: ... bug

We strip the dot form the subdomain in the next line.
We don't need to to do it with slicing, which ends up in
a slice [:-1] instead of [:0] for the main domain and tues
tries to use the main domain name (everything but the last char)
like a instance name).

DanielNeugebauer/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,SysTheron/adhocracy,liqd/adhocracy,SysTheron/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,phihag/adhocracy,alkadis/vcv,phihag/adhocracy,phihag/adhocracy,alkadis/vcv,phihag/adhocracy,phihag/adhocracy,alkadis/vcv,SysTheron/adhocracy,DanielNeugebauer/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,liqd/adhocracy