pushes test_ changes to index
pushes test_ changes to index

Changelog:
Padding, layout and font sizes are now adapted to screen width and
viewport size: mobile text-stacking issues are fixed

Imports js file for countdown; fixes sketchy countdown code into simple
10-line solution

Redesigns table layout for the ABOUT WAC section, using Bootstrap’s
Grid System

Adapts more of index to mobile devices

malsf21/world.ac,malsf21/world.ac,malsf21/world.ac,malsf21/world.ac