Add known issues to sections via new "issues" extension.
Add known issues. Fix build warnings.
Merge pull request #2526 from metalivedev/2074-AddKnownIssues

Add Known Issue
Return “err” instead of “nil” when MkdirAll() fails when binding a volume
Merge pull request #2610 from stapelberg/patch-1

Return “err” instead of “nil” when MkdirAll() fails when binding a volume
Removes duplicate changelog entry
Merge pull request #2611 from seancron/changelog-edit

Removes duplicate changelog entry