Xiaomi Mi Box Beta 2

Xiaomi Mi Box Beta 2

Changes:
 - Added additional SVG logos
 - Test fix for emby launch command (needs testing #18 @ChristophCaina)
 - Added Telenet TV shortcut (needs testing #56 @jrspowers)
 - Added Magenta TV shortcut (needs testing #58 @ChristophCaina)
 - Fixed a few SVG namespace collisions
- Enabled app launch access for TVNZ+ and Three Now on all devices (#55
@moh-Brent - needs testing)

Not finished yet:
 - warning dialog/confirmation before executing a restart function