CAMEL-6591: Added sendNoop to sftp, which helps keep the connection alive. Thanks to Stephan Siano for the patch.
CAMEL-6586: Added missing JMX attributes to seda endpoint. Thanks to Zemian Deng for the patch.

Conflicts:
	camel-core/src/main/java/org/apache/camel/component/seda/SedaEndpoint.java