Update README to reflect 2.0 default testing
Update README to reflect 2.0 default testing

bmess/riak-python-client,basho/riak-python-client,basho/riak-python-client,bmess/riak-python-client,GabrielNicolasAvellaneda/riak-python-client,basho/riak-python-client,GabrielNicolasAvellaneda/riak-python-client