Update changelog for 2.1.0-beta1.
Ensure defunct connections are completely closed (JAVA-394).
Merge branch '2.0' into 2.1
Fix memory and resource leak on closed Sessions (JAVA-342, JAVA-390).
Merge branch '2.0' into 2.1
test for session and connection leaks
Decommission node added for connectionsLeak test case
Move sessionMemoryLeakTest to the "long" group.
Merge branch 'joaquincasares-JAVA-342-test' into 2.0
Merge branch '2.0' into 2.1
[maven-release-plugin] prepare release 2.1.0-rc1
[maven-release-plugin] prepare for next development iteration
Merge commit '718438499d7ac548dae8b3cb75fdea67be055a84' into 361v2