removed dependencies to serde.Constants (Hive 0.9.0 and before).

serde.Constants changed to serde.serdeConstants from Hive 0.10.0 and
later.
updated jar package w.r.t #054b9b8.
Merged in hotfixes (pull request #1)

removed dependencies to serde.Constants (Hive 0.9.0 and before).