"ubuntu" -> "Ubuntu"
"coverartarchve-api" -> "coverartarchive-api"
Remove trailing whitespace.

`sed -E 's/[[:space:]]+$//'`
Merge pull request #11 from Freso/typo-fixing

Typo fixing
Correctly rewrite PDF thumbnail URLs
Merge pull request #12 from 96187/pdf-part-2

Correctly rewrite PDF thumbnail URLs
index: Use protocol reltive links everywhere
index: Skip a redirect on the IA logo
Merge pull request #13 from mineo/prot-rel-links

index: Use protocol relative links everywhere