Remove CSS build directory
Add vendor directory to css/lib
Add role="main" Aria attribute to index.html main element
Change table CSS rule from width: 100% to min-width: 100%
Update $scrollTop to allow setting value
Add new .responsive-table() mixin to enable scrolling tables on smaller breakpoints
Update wee.rem.js polyfill to allow for overriding an "auto" value from a previously defined REM value
Set the default @nestedListMarginLeft value to 2 instead of inheriting the @listMarginleft value