Update riak-admin to invoke proper variation of service listing; provide a better error message if services retrieval fails
Update riak-admin to invoke proper variation of service listing; provide a better error message if services retrieval fails

elkingtonmcb/riak,basho/riak_search,basho/riak_search,xuejianhai/riak_search,DavidAlphaFox/riak,amyvmiwei/riak,planobe/riak,yangchengjian/riak,xuejianhai/riak_search,GabrielNicolasAvellaneda/riak,laurenrother/riak,biddyweb/riak,basho/riak,authbox-lib/riak,xuejianhai/riak,planobe/riak,wwezhuimeng/riak_search,glickbot/riak,wwezhuimeng/riak_search