Use native scroll on mobile devices (much better UX)
Stack settings menu items 2 column medium, 3 column large
The settings search is now forcibly focused
This should make Windows PCs look a little nicer, albeit inconsistent with others (Sergoe UI is unique). If it's good enough for GitHub, then it's good enough for October.
All text shadows have been stripped, along with some box shading. They were barely noticeable and should speed up the UI.
Various sizing fixes
Set the standard padding to 20px
Mute system links unless hover or active
Fixes an issue where the scroll indicator appears always on fancy layout, these containers cannot use padding!
Refs #1895