[gscan2pdf-help] scantpaper v3.0.0 released

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

Changes compared to v3.0.0-rc5

* + minimal en_US translation to prevent warnings. Closes #41
* Be graceful if the previous current working directory no longer
   exists. Closes #42

Available on Github:

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

Or via the PPA:

https://launchpad.net/~jeffreyratcliffe/+archive/ubuntu/ppa