D6352: New function to retrieve the documentation directories

[Luigi Toscano]

ltoscano added a dependent revision: D6353: Get the doc dirs with the newly 
exported function.

REPOSITORY
  R238 KDocTools

REVISION DETAIL
  https://phabricator.kde.org/D6352

To: ltoscano, dfaure
Cc: #frameworks, #documentation, skadinna