* Support new r9m firmwares
* More future proof, thx Kilrah
* (significant) typo
* Companion part
* Make support a compilation option
* Fix compilation for normal users
* Warning popup for usability tests
* Better implementation
* All sizes
* Cosmetics
* Flex is EU+/AU+ only
* [Companion] Handle "flexr9m" option in module settings UI (to match radio UI, including warning msg); Move some "toString" functions out of ModelPrinter into ModuleData/Multiprotocols; "Future-proof" available R9M power options based on "stdr9m" fw option; Fix missing "Hitec" MM protocol name; Fix printing of R9M-EU power level in ModelPrinter.
* Cosmetics
* Rename R9M flex option
* Move failsafe further back to prevent nav oddity
* [MULTI] Implement option Value adjustment in Companion
Also refactor ui code to use the same multi table as the radio to make updates easier and consistent
* Fix warnings with gcc 6
* Make the whole thing more C++ like
Using QVector instead of std::vector gives me strange errors.
* Fix gcc warning
* another signedness fix
* Add missing include
* Add Gw008 protocol and move subtype definitions out of the translations
* Add note about struct
* More cleanups
Integrate @mpaperno’s latest ideas about cleaning up
* Properly set limits based on model's Extended Limits setting;
* Fix rounding issues between percentile display and underlying value in μs;
* Add ability to display values in μs as well as percent.
* Channels numbering & count is responsive to module's defined start/end channels.
* [Companion] MdiChild now use a QTreeWidget instead of a QListWidget (for Horus compatibility)
* [Companion] Horus models.txt parsing / writing implemented
* Fix for QT53 (#4109)
