[gscan2pdf-help] scantpaper v3.0.0-rc4 released

[Jeff <jf...@po...>]

Changes compared to v3.0.0-rc3

* Fix copying or deleting a word prevents saving PDF. Closes #35
   Thanks to Chris Mayo for the patch.
* Fix error clicking on an empty canvas. Closes #36
* Don't include PDF metadata in text layer.
* Fix failure to start when pdftk is not installed. Closes #37
   Thanks to Chris Mayo for the patch.
* Enforce default image type. Closes #39
   (Save Dialog: No Document type selected by default)

https://github.com/carygravel/scantpaper/releases/tag/v3.0.0-rc4