Ignore dialyzer warnings caused by riak-erlang-client
Ignore dialyzer warnings caused by riak-erlang-client

These warning are caused by typespec issues in the tag of
riak-erlang-client being used currently. They have been fixed, but
those fixes are not yet represented by the tag that Riak CS is using.

laurenrother/riak_cs,basho/riak_cs,dragonfax/riak_cs,dragonfax/riak_cs,basho/riak_cs_lfs,laurenrother/riak_cs,yangchengjian/riak_cs,sdebnath/riak_cs,dragonfax/riak_cs,GabrielNicolasAvellaneda/riak_cs,laurenrother/riak_cs,sdebnath/riak_cs,basho/riak_cs,GabrielNicolasAvellaneda/riak_cs,yangchengjian/riak_cs,basho/riak_cs_report,sdebnath/riak_cs,basho/riak_cs,GabrielNicolasAvellaneda/riak_cs,GabrielNicolasAvellaneda/riak_cs,laurenrother/riak_cs,dragonfax/riak_cs,basho/riak_cs,yangchengjian/riak_cs,sdebnath/riak_cs,yangchengjian/riak_cs