Revert some last changes so that there is no problem with Lua
Conflicts:
	radio/src/Makefile
	radio/src/opentx.cpp
No special characters in edit fields for CZ language, but enabled in internally defined strings.

It fixes autogenerated Input names.
Tests added to avoid doing anything in the Lua interpreter after a Lua
Panic
LTR patch (modified) applied. Saves around 8-10k RAM during the
interpreter initialization
Conflicts:
	radio/src/Makefile
	radio/src/lua.cpp
	radio/src/lua/src/linit.c
Companion compilation failure (missing files)
CZ translations - Radio

Conflicts:
	radio/src/translations/cz.h.txt
CZ translations - Companion
This luaFree is not needed and could do a mess in RAM
Fixes #1715
Conflicts:
	radio/releasenotes.txt
Added NANO option in Makefile (default: NANO=NO)
No THR warning when a new model is created / the wizard is called
Fixes #1656 - Throttle Source everywhere (english and french)
MEGA2560 simu compilation now ok
Fixed last merge round
Automatic Model conversion problem on ARM boards (v216 to v217)