KLocale is now kde4support and we have QLocale QML bindings. This patch
removes the KLocale bindings from plasma-framework (they are not used
anywhere anyway).
If we miss something from KLocale in QLocale, we should upstream it.
REVIEW: 114150
All cpp code moves into the src/ subdirectory, as the Frameworks policy
suggests.
Directory structure should now be in line with other, future frameworks.