removed article.less, since it was never used
* removed ing styling, since no images are present at the moment
* modified h* sizing for small screens
* adapted button sizes
removed hiding navbar while scrolling down on small screens, since it produces a bug: after scrolling down, and then resizing to a large screen horizontally, and then scrolling up again: navbar is still not visible
fixed design bug: content was overlapping to the right at a small screen layout
changes localhost port 9000 to 9090
Merge branch 'hotfix/#002-ipad-design-issues'