fixes #1661
removed using directives added while testing individual objectbuilders
Test that show issue #1827
name generic better
better param naming
better generic naming
remove need for IConfigure on saga
better type param naming
make saga message mapping abstract
fix xml comment
add non empty constructor saga test
rename test file
suppress redundant param
Merge pull request #2138 from Particular/SagaMapping

Saga mapping
Converting the databus to a feature to try out the new feature api and
startup support
Moving the databus pipeline registrations into the feature it self
Merge pull request #2140 from Particular/databus-as-a-feature

Converting the databus to a feature to try out the new feature api
Cleanup after the raven migration
better logging doco
remove some redundancies