Modified tests to allow these unit tests to pass, but does not address the fault caused by the Node Test Helper - credentials only loaded after the flow has been loaded.
* use new test-helper add test to package.json
* try to fix travis build with new test helper
* install coveralls globally
* work around travis issue with adding node_modules/.bin in PATH
* Let email out node connect to SMTP without authentication
Add the possibility to connect to local SMTP without authentication.
* Adapt test to connect to SMTP without credentials
Adapt test to connect to SMTP without credentials
* Add coverage for social email out node
Add coverage for social email out node
* Add more coverage to email out node
Add more coverage to email out node