Add domina.xpath namespace for use in screencast

Tag initial commit.

Merge pull request #55 from brentonashworth/updated-readme

Update README.

Label now fades when input is valid. References #47.

Fix button failing to fade in IE8. References #47.

Set margin to -500px in code so that the cloud will appear in design …

…view.

Remove basic auth from production server. Closes #12.