bump version to v1.5.7

bump version to 1.5.6

Merge pull request apache#694 from InterestingLab/garyelephant.fix.ke…

…rberos

v1 bugfixs and project rename

Merge pull request apache#661 from InterestingLab/garyelephant.bugfix…

….hive_output

added Hive in BaseOutput META-INF service file

bump version to 1.5.3

Merge pull request apache#642 from InterestingLab/garyelephant.bump.v…

…ersion

bump version to 1.5.2

Merge pull request apache#573 from InterestingLab/garyelephant.fea.bu…

…mp_version

bump version

Merge pull request apache#562 from cnmac/v2_dev_cnmac

Add missing pom dependencies

Merge pull request apache#550 from InterestingLab/rickyhuo.release.1.5.1

Bump version 1.5.1

Merge pull request apache#511 from InterestingLab/rickyhuo.enhance.dr…

…iver

Rickyhuo.enhance.driverConf