Refactor - moved test runner scripts into their own directory
Refactored test script files into their own directory
Added example greetings.html and new test
Updated test runner to run the new test
Passed test for greetings.html example
Removed testling-ci stuff for now; no point spamming them with loads of pushes. Reactivate before release 0.1.0
Merge branch 'feature/example/greetings.html' into develop