RESIDENTStk wakeuptimer: self-destruction for at-devices if wakeuptimer device was deleted by user
RESIDENTStk wakeuptimer: self-destruction for at-devices if wakeuptimer device was deleted by userView Changes
Source: RESIDENTStk wakeuptimer: self-destruction for at-devices if wakeuptimer device was deleted by user (http://sourceforge.net/p/fhem/code/8423/)