rename a lot of structures from mir::input::... to Mir... to match the c API
The renames are :
mir::input::InputConfiguration -> MirInputConfiguration
mir::input::DeviceConfiguration -> MirInputDevice
mir::input::PointerConfiguration -> MirPointerConfiguration
mir::input::KeyboardConfiguratoin -> MirKeyboardConfiguration
mir::input::TouchpadConfiguration -> MirTouchpadConfiguration
mir::input::TouchscreenConfiguration -> MirTouchscreenConfiguration
.
Approved by Daniel van Vugt, mir-ci-bot, Alan Griffiths.