Change login screen to look like the logo from piwik.org
Adjust header.tpl to use the new CSS/Logo
New Login screen design with bigger logo and bigger input boxes.
Revert Logo change
Add Login icons
Change DOCTYPE to html5
Login page is now HTML5 compatible
Embed input icons
IE7/8 compatibility mode using html5.js
Remove IE6 warning - Image URL is just redirecting (actually moved to: http://www.ie6countdown.com/images/upgrade.jpg)
IE6 has fallen to <7% so I think it is ok to remove.
Added html5shiv.js - this library is MIT/GPL dual-licenced

html5shiv provides html5 element support for IE6-8.
Added jquery.placeholder.js - MIT Licenced just like jQuery.

This library provides a fallback for IE6-9 and adds placeholder support in
input elements.
Last style fixes and JavaScript simplification using jQuery + jQuery.placeholder
Merge branch 'master' of https://github.com/piwik/piwik into new-login-screen