Support for some SH4 boxes

Added description, images and remote control panel for some ADB and
SagemCom SH4 boxes runnig Graterlia Operating System and Freebox or
Hyperion images.
Some corrections and updates in Polish translation.

Some changes to Polish translation: synchronization with the newes .pot
file, some fixes to properly fill in place for localized messages. Some
changes in __init__.py required to activate translation on same OpenPLi
systems.
Partial revert

Don't see the reason for the previous change.
Fix for azmodel