Update POM version in readme.
Fix DCAwareRoundRobinPolicy datacenter auto-discovery (JAVA-496).
Merge branch '2.0' into 2.1
Handle null UDT fields in object mapper (JAVA-499).
Fix collision between tests.
[maven-release-plugin] prepare release 2.1.2
[maven-release-plugin] prepare for next development iteration
Update POM version in readme.