Added riak_object:new/4 which accepts a content type string or a metadata dict() (closes #58).
Added riak_object:new/4 which accepts a content type string or a metadata dict() (closes #58).

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