The source project of this merge request has been removed.
Port help-browser and web-page plug-ins to WebKitGTK+ 2.x
This makes it possible to build against WebKitGTK+ 2.x (tested with 2.20.3, the current stable release), and help-browser
works correctly. I could not test web-page
because GIMP would show an error dialog, I believe unrelated.