CAMEL-6133: Avoid touch Source bodies in message helper logger.

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1468408 13f79535-47bb-0310-9956-ffa450edef68
Reduce logging noise in camel-bam

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1468410 13f79535-47bb-0310-9956-ffa450edef68
Polished example

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1468412 13f79535-47bb-0310-9956-ffa450edef68
Polished examples. Made the xml sample data smaller files so easier to read/see in logs/console etc.

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1468451 13f79535-47bb-0310-9956-ffa450edef68