SCHEMA-141. Matching changes made to DistributedCacheJars.
CHOP-17. Add integration tests.

Signed-off-by: Kiyan Ahmadizadeh <kiyan@wibidata.com>
CHOP-33. Review changes for Chopsticks prototype.

This commit makes several small changes throughout the code base that were
identified as part of a code review of the original Chopsticks prototype.

Signed-off-by: Daisy Zhou <daisy@wibidata.com>
CHOP-42. Cleanup and add tests for doAndRelease, doAndClose.

Signed-off-by: Kiyan Ahmadizadeh <kiyan@wibidata.com>
CHOP-41. Coverts Java code to Scala.

Signed-off-by: Kiyan Ahmadizadeh <kiyan@wibidata.com>