Added lang-attribute and closed favicon tags.
Ignoring temporary files by VIM.
Applied several ARIA improvements. However the color contrast still fails the validations =/
Added German locale to the manifest.webapp
Fixed.
Files merged with localStorage-feature. However, Firefox claims, that .setItem() is insecure and will not perform it!
Roll back some a11y features and moved them to a separate branch. Also, started with a nice hover effect :)