- Code formatting
- Added "copied verbatim from Akeeba Build Tools" comments to files which we copied verbatim.
- Various fixes sneaked in, such as defined('AKEEBA_..') fixes and define('JPATH_PLATFORM', 1); of LinkSiteTask

See: https://github.com/akeeba/buildfiles/commit/aec23073e790fb969c68268647a00a3e234f98db