ML Voice - new hardware and software

Improved camera settings and mechanicals for even better accuracy.
Improved software based upon received feedback:
- easier to find text in all parts of the paper.
- reading voice and menu voice can be set separately.
- possible to set the volume 10 - 100 (before 40 - 100).
- no longer any percentage messages when charging the battery.
- preferred voice is saved for each language (used in automatic language detection).
Improved voices “Nuance Vocalizer Expressive” - see complete list
Added support for the following languages when used with an Infovox 4 flash drive: Catalan, Czech, Faeroese, Greek, Hungarian, Icelandic, Romanian, Slovak, Turkish.