Fixup QC test to use new node_watcher subsystem
Fixup QC test to use new node_watcher subsystem

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