added kivy app code and telenium test cases

[navjotcis]

1)Added kivy app code of python3 version. 2)Added python3_requirement.txt withj all kivy amd kivymd latest version. 3)Added main_test module for running telenium test cases 4)Added telenium test cases(Graphical test cases) for kivy desktop app

[PeterSurda]

I don't think this runs any test. We don't have buildbot integration.

[PeterSurda]

needs to be shortened. Remove translations among other things

[PeterSurda]

mpybit.py is too big, needs to be split into multiple files.