Move tests to match source hierarchy.
Add trivial tests to make coverage figure more realistic.
Adding a unit test to check if all .js files under ./red have a corresponding _spec.js test file
Adding test that checks the presence of _spec.js test files for each .js
file within the core ./red directory.
Adding newline to end of file as suggested by Git.
Updating comments, forgot to do this.
Merge branch 'master' of https://github.com/zobalogh/node-red