Added the opportunity to upload a logo for the header
First take on a better design for the embed form.
Added basic email validation
Added logo support in the template and styling
Added support for custom header colors in the embed window
Added comments to "../vopros_embed/js/vopros_embed_styling.js"
Removed "groupings" by @xendk 's request
Prepare the logo inside preprocess instead of template
Moved the styling calls into the same drupal_add_css
Merge pull request #1 from Biblioteksvagten/feature/theming

Feature/theming