added -n short option (--dry-run)
added -n short option (--dry-run)

switch-ch/smashbox,owncloud/smashbox,nickv-oc/smashbox,cernbox/smashbox,mrow4a/smashbox,labkode/smashbox,cernbox/smashbox,nickv-oc/smashbox,nickv-oc/smashbox,mrow4a/smashbox,cernbox/smashbox,owncloud/smashbox,labkode/smashbox,switch-ch/smashbox,labkode/smashbox,cernbox/smashbox,switch-ch/smashbox,labkode/smashbox,mrow4a/smashbox,owncloud/smashbox