Tuple metadata test
Remove legacy RetryPolicyTests
Tests: Use case sensitive keyspace
Tests: Do not use Bind markers with queries in LoadBalancingPolicyTests to make the test suitable for C* 1.2
Merge branch 'master' into 2.1
Tests: ExceptionsTests minor fixes
Tests: StressTests minor test fixes
README: 2.1 documentation and getting started guide links
Tests: ConsistencyTests minor fixes