Added time-to-live to ActiveMQSender and configuration
Added source generation to maven
Fixed issue where idleTimeout assumed seconds, but should have been mills
Improved error handling for receiver + added healthCheck for each receiver
Extend ActiveMQSender to accept a function for creating a message.
Merged with master and updated documentation
Modifications to the code from @oddmar to only have one 'main' sender-implementation
Releasing 0.3.5
Preparing for next version