Have configuration in a config.php
Fixes #39 – Improve email
Better intro text
Label changes
Improving the form
Styling, including responsiveness
Merge branch 'gh-pages' of https://github.com/w3c/wai-eval-tools into gh-pages

# By nitedog
# Via nitedog
* 'gh-pages' of https://github.com/w3c/wai-eval-tools:
  Update acknowledgements.html