[rubbos] (new:minor) Added traffic mix matrices 'user-default', 'author-default' and 'browse' (as found in the native RUBBoS client)
[rubbos] (new:minor) Added traffic mix matrices 'user-default', 'author-default' and 'browse' (as found in the native RUBBoS client)

yungsters/rain-workload-toolkit,sguazt/rain-workload-toolkit,yungsters/rain-workload-toolkit,yungsters/rain-workload-toolkit,sguazt/rain-workload-toolkit,sguazt/rain-workload-toolkit