refactor appearance of footer sponsors, update sponsor lists for all verticals
Revert "Revert "Temporary cache 44167""

This reverts commit 8a0681ef777bb05c0a1c46783dd66f4ad7e0983b.
Cache
Fix template prefix for new layout error pages
Merge branch 'master' of github.com:SCPR/SCPRv4 into db-sharding

Conflicts:
	Gemfile.lock
Update media mount point