Change Log:
0a27d14 Upgrade kafka-clients to 0.11.0.2
7793c0b Upgrade to SF 4.3.17
010c3e8 GH-661: Close Producer after beginTransaction fail
e826a58 GH-656: Fix seek on rollback
877fd6a KBGH-356: Fix thread naming with no bean name
1e55d7d GH-646: Avoid sync when no transaction
79510ec GH-646: Transaction Improvements