fixed reduce_plist_sum - non-member case of dict:update should have been value of prop, not zero
fixed reduce_plist_sum - non-member case of dict:update should have been value of prop, not zero

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