Fix Interchange sample image in docs overflowing
Remove side padding from horizontal icon bar to give words just a little more space
Fix incorrect header styles in kitchen sink
Add aria-haspopup to tooltips, making them accessible to screen readers and Windows touch devices
Add -ms-touch-action to make range sliders easier to use on Windows touch devices
Merge branch '5.4-wip' of https://github.com/zurb/foundation into 5.4-wip