remove some leftover boilerplate text
Merge pull request #716 from duckduckgo/zaahir/remove-abstract

remove some leftover boilerplate text
extra space
MD5.pm: Metadata: Array of one value is a bug
Merge pull request #719 from duckduckgo/jag/metadata

MD5.pm: Metadata: Array of one value is a bug
Merge pull request #718 from duckduckgo/zac/extramationpoint

extra space