Merge branch 'release/version-0.2.3' into develop
[stratio-deep release finish] next snapshot version 0.2.4-SNAPSHOT
reverted cassandra version to 2.0.5
[stratio-deep release prepare] preparing for version 0.2.4
[Updated ChangeLog.txt for release 0.2.4]
Merge branch 'release/version-0.2.4'