Alternative keymaps for number pads

Alternative keymaps for the number pads, as suggested by the community.

Allows a number pad to control Kodi.

Keymap 1

 * What it does
 * 0 - OSD
 * 1 - Stop
 * 2 - Down
 * 3 - BigStepBack (-10m or last chapter)
 * 4 - Left
 * 5 - Select
 * 6 - Right
 * 7 - Kodi Home screen
 * 8 - Up
 * 9 - BigStepForward (+10m or next chapter)
 * / - StepBack (-30s)
 * * - StepForward (+30s)
 * . (period) - Info
 * NumLock - Play/Pause
 * + - Volume Up
 * - - Volume Down
 * BackSpace - Back
 * Enter - Select


 * Keymap
 * Cut and paste the following into a new text document and save as keyboard.xml and place in