Merge remote-tracking branch 'origin/KDE/4.8' into frameworks

Conflicts:
	kdecore/jobs/kjob.h
	kdecore/kernel/kcmdlineargs.cpp
	kdewebkit/kwebpluginfactory.cpp
	plasma/service.cpp
	solid/solid/CMakeLists.txt
	solid/solid/backends/udev/udevdevice.cpp
	solid/solid/backends/udev/udevmanager.cpp
	solid/solid/backends/udev/udevportablemediaplayer.cpp

service.cpp

@@ -237,7 +237,7 @@ ServiceJob *Service::startOperationCall(const KConfigGroup &description, QObject
         }
     } else {
 #ifndef NDEBUG
-        kDebug() << "Not a valid group!"<<d->config->groupList();
+    kDebug() << op << "is not a valid group; valid groups are:" << d->config->groupList();
 #endif
     }