Add integration test for connection manager/provisioning
Add integration test for connection manager/provisioning

This is a rather long running integration test that ensures (at
least) happy-path execution of the ConnectionManager and tests some
connectivity features.

charles-cooper/raiden,tomashaber/raiden,tomashaber/raiden,charles-cooper/raiden,tomashaber/raiden,hackaugusto/raiden,tomashaber/raiden,hackaugusto/raiden,tomashaber/raiden