Hotkeys and shortcuts for BBC iPlayer

`⭾ Tab`	General Move forward through the buttons
`↑ Shift` + `⭾ Tab`	General Move backwards through the buttons
`← ↑ → ↓`	General Increase / decrease volume, fast forward and rewind
`Esc`	General Exit full screen
`Space`	General Activate buttons
`⤶ Enter`	General Activate buttons