update mining.ini sample, remove node riak move to datawarehouse
update mining.ini sample, remove node riak move to datawarehouse

AndrzejR/mining,jgabriellima/mining,seagoat/mining,mlgruby/mining,jgabriellima/mining,mining/mining,chrisdamba/mining,mlgruby/mining,seagoat/mining,AndrzejR/mining,mining/mining,mlgruby/mining,chrisdamba/mining,avelino/mining,avelino/mining