Update READMEs
Check cluster name when connecting to a new node (JAVA-397).
Add missing CAS delete support in QueryBuilder (JAVA-326).
Merge pull request #178 from olim7t/JAVA-326

JAVA-326: add support for conditional DELETEs in QueryBuilder
Add ResultSet.wasApplied() for conditional queries (JAVA-358).
Merge pull request #184 from olim7t/java358

Add ResultSet.wasApplied() for conditional queries (JAVA-358).
Add periodical cleanup of closed connections.
Check if connection should be forced when removing handler.
Fix negative HostConnectionPool open count (JAVA-349).
Update changelog for 2.0.6.
Improve ConnectionReaper + slightly raise interval.
Make some internal settings overridable in integration tests.
Log overridden internals at warn level.
Increase internal new node delay for tests.
Fix bug in JAVA-428 changes.
Log more connection details at trace and debug levels (JAVA-436).
Override toString for PreparedStatement and BoundStatement (JAVA-115).