* changelog.php: move iframe's inline style to stylesheet.css
* header.php: use http for the rss feed url
* add normalize.css trimmed down for our needs
* use ids instead of classes where it makes sense to do so
* trim urls
Now everything should validate as html5 and css3 except for index.php due to the AddThis code.
git-svn-id: svn://svn.code.sf.net/p/processhacker/code@5172 21ef857c-d57f-4fe0-8362-d861dc6d29cd