Change log:
dc466ad Upgrade dependency versions
542c801 GH-753: Close transactional producer on error
4811ea8 GH-686: Handle tombstones in Json Ser/Deser
2472224 GH-690: Propagate AfterRollbackProcessor to child
1558d29 Add licence and notice to all artifacts
6689bbb GH-683: Fix Transactions with ErrorHandler
0e90111 Doc 1.0.x client override