Add confirmation prompt in `facettectl' utility.
Add confirmation prompt in `facettectl' utility.

githubert/facette,facette/facette,githubert/facette,iaean/facette,yonglehou/facette,psytra/facette,yonglehou/facette,facette/facette,psytra/facette,vovkasm/facette,psytra/facette,hirocaster/facette,facette/facette,iaean/facette,Skrupellos/facette,githubert/facette,yonglehou/facette,hirocaster/facette,Skrupellos/facette,iaean/facette,hirocaster/facette,facette/facette,vovkasm/facette,Skrupellos/facette,vovkasm/facette