Add buildbot-specific script to set up dev cluster so it is not hard-coded in master.cfg
Add buildbot-specific script to set up dev cluster so it is not hard-coded in master.cfg


Former-commit-id: 8f51c8c8afe98f62703ed1ac3c16fbd44bbf9139
rob-somerville/riak-dotnet-client,rob-somerville/riak-dotnet-client,basho/riak-dotnet-client,basho/riak-dotnet-client