Updated example text to use same classname as provided class
Added call to super.connectSensors() in QpidBrokerImpl (its ommission meant the BROKER_URL sensor was never set)
Added message to the example message subscriber to clarify why it run, then quit
Fixed issue that mean example subscriber would quit after 101 messages, not 100
Fixed another reference to StandaloneBrokerExample vs StandaloneQpidBrokerExample
Update following PR comments
Changed pubsub message text to be in line with new Subscribe output
Fixed indentation following PR comments
Replaced erroneous magic number with constant
Merge pull request #994 from Nakomis/messaging-example

Messaging example