sorts out centering of grids

still an issue with mobile/tablet centering
adds base-min.css to application.html.erb
Merge branch 'ad-ccs-home-3.24'

Conflicts:
	app/views/layouts/application.html.erb
finally solves centering for mobile
Merge branch 'ad-css-home-3.26'
Merge branch 'master' of https://github.com/DenglSteel/coElv2