Add a 500 error template
Override ATT_API_URL setting in tests
Fix for issue introduced in 23750673b3d946c3877fc0e59d23cc1600627893 (test suite only catches it via the Selenium tests)
Update readme regarding Selenium tests.
Update example config to be initially more usable on a dev machine
Add configuration of Travis testing
Add build status icon to readme
Merge branch 'travis'