SYNAPSE-838: Adding default beanstalk props.


git-svn-id: https://svn.apache.org/repos/asf/synapse/trunk@1507624 13f79535-47bb-0310-9956-ffa450edef68
SYNAPSE-838: Adding documentation for the samples.


git-svn-id: https://svn.apache.org/repos/asf/synapse/trunk@1507625 13f79535-47bb-0310-9956-ffa450edef68