Re-factor reporting to enable sorting for issue #74

Design has been kept consistent with existing reporting
Commit includes:
* Move css into a static resource folder as style.css
* Put sorting javascript into static folder too
* Reorganize html so that it is grouped for sorting, and can be displayed over two rows.
* Re-factor CSS for new html, add sorting display, and add some structure

The output can be viewed here: http://birdsarah.github.com/pytest-mozwebqa-report-proto/issue_74_original_formatting/