Fixed default keyExpression PPH in gemfire sinks
XD-624 Remove TCP Syslog WARN Log

See INT-3107
XD-624 Fix TCP Syslog Deserializer

Needs a linefeed serializer instead of th default CRLF.
XD-614 Channel Registry Conversion Improvements

Convey contentType and originalContentType in message to allow
proper decoding on the inbound side.

For Redis, add the headers to the payload of the transported
message.
XD-614 Polishing

PR Comments.