KProtocolManager proxy settings changes
I'm cleaning up the proxy-related entries in KProtocolManager, which Konqueror uses.
For Konqueror there's two options how to do this in the future:
- Use QNetworkProxy(Factory), which uses libproxy, which reads these settings. This has the advantage of better cross-platformnes
- Read the config file directly, like in kio-extras!308 (merged)