Fix possible javascript error on drag-n-drop (#1489560)
Bring back unit tests (they should be removed when creating a package)
Fixed typo in script output
Fix directories check in Installer on Windows (#1489576)
Added rcube_utils::is_absolute_path() method
Add dummy tests for rcube_spellcheck_* classes
Add more tests for framework classes
prevent unwanted code execution via CURLOPT_POSTFIELDS
Update changelog
Fix invalid X-Draft-Info on forwarded message draft (#1489587)
Update env in main window for ACL dialog autocompletion (#1489594)