Add CC-BY-SA stmt and icon in footer, refactor SCSS, use SVG images, tune Gulpfile
Fine tuning for small screens
Implement ribbon with pure css
Use rem based font sizing
Fix gitignore in order for images to be included in repo
Add a slight border radius to gravatars (GitHub style)
Add code language hint in code blocks via CSS to avoid the need to specify the language within the text.
New gulp task "clean-release"
Fix language hint box and add mobile styles
Fix wrong link in JS sources
CS
Extend CC-BY-SA text in footer
Unify styling of language hint box for all screens, reset license text in footer