fix bug of boolean equals() method, the reference comparison works incorrectly after deserialization
Merge pull request #22 from chenghao-intel/shark-0.9

fix bug of boolean equals() method, the reference comparison works incor...
Apply https://issues.apache.org/jira/browse/HIVE-3455 (fix corr UDAF)
Bump the version pre-build.
Merge branch 'shark-0.9' of https://github.com/amplab/hive into shark-0.9-csd
Bump version after AMPLab merge