When connected to a TV (running Plasma Bigscreen), Remote Input will show a TV remote and a button on the top to switch to mouse and keyboard. When connected to any other device, Remote Input will show the mouse and keyboard only.
**Removals:**
- [x] Remove BigscreenPlugin
**Additions:**
- [x] Add "Use mouse and keyboard"
**Changes:**
- [x] Plugin has both remote and mouse/keyboard if device is TV, just mouse/keyboard otherwise
**Code changes:**
- [x] Move all TV functions to MousePlugin
