add setup as required method for load balancing policy
rename Partitioner#parse_string to Partitioner#parse_token
[docs] add bc breaks in CHANGELOG
Fixed typo in link text from old Cql.connect to new Cassandra.connect.
[docs] mention latest changes in the README
[docs] fix typos in the doc block
[docs] remove private classes from docs
[docs] clarify version in what's new
skip dcs with missing replication factor
make token-aware policy use local replicas only
Merge branch 'master' of github.com:datastax/ruby-driver into load_balancing_integration_tests
token_aware tests added