Experimenting with woodhouse to publish code-coverage back to the repo's `gh-pages` branch.
Adds in links for build status and example of the (initial) coverage report.
Updated test runner to generate a text file.

File is used by woodhouse to generate a coverage status image.

Coverage status image is included in README.
Merge pull request #3 from beporter/f/woodhouse-reports

Using woodhouse to publish coverage reports back to gh-pages.