Use Envelope everywhere internally
Merge pull request #45 from henrikbjorn/serviceresolver-refactor

Use Envelope everywhere internally
Add failed option to consume command
Basic integration for acknowledgement to start discussion
Fix edgecase
Fix test and edgecases
Add test for acknowledge
Additional test
Intial DoctrineDriver
Add test for Doctrine Driver
add documentation for doctrine driver
fix listqueue and tests
Merge branch 'master' into acknowledge
add acknowledgeMessage to DoctrineDriver
Merge branch 'acknowledge' of github.com:henrikbjorn/Bernard into acknowledge