Fix redirects for older Rubies
Fix redirects for older Rubies

Tiger66639/html-proofer,gjtorikian/html-proofer,Tiger66639/html-proofer,Tiger66639/html-proofer,gjtorikian/html-proofer,Tiger66639/html-proofer,gjtorikian/html-proofer,Tiger66639/html-proofer,gjtorikian/html-proofer,gjtorikian/html-proofer