* [Companion] Qualify all remaining QObject translations with proper class/object names; Centralize some common strings into constants.h.
* [Companion] Replace all instances of some common strings with macros from constants.h.
* [Companion] Fix translation warnings from lupdate.
* [Companion] Introduce new Boards class to further consolidate hardware metadata and remove some globals.
* [Companion] * RawSource::toString() and RawSwitch::toString() can now return custom hardware names (if given a GeneralSettings object) for the following types (respectively):
SOURCE_TYPE_STICK, SOURCE_TYPE_SWITCH, SWITCH_TYPE_SWITCH, & SWITCH_TYPE_MULTIPOS_POT;
* RawSource::isPot() and isSlider() can now return their own index position in potConfig[]/sliderConfig[];
* Switch indicator strings can be localized if necessary.
* [Companion] Refactor model printers to use new RawSource/RawSwitch capabilities; Simplify model-to-printer mapping scheme in multimodelprinter; Use const ModelData pointer.
* [Companion] Refactor how RawSource and RawSwitch selection combo boxes are populated, using cache-able data models instead of direct manipulation; Refactor some other Helpers function into their own namespace.
* Cosmetics & forgotten qualifier.
* Read/write backup fixes:
* radio not found was show behind all windows (missing parent)
* bad behavior on write when radio not found
* Disable model backup read/write for Horus (needs implementation)
* Re #4224: Enable reading and writing Models and Settings from/to Horus radio (SD card)
* Fix for findMassstoragePath() on Windows (which got there in previous commit)
* Files moved to thirdparty directory
* Miniz library added
* Unused simulators removed: er9x, th9x, ersky9x
* Example of opening archive file .eepe2 (File->Open)
* File reorganization, bunch of files moved to storage directory
* Added StorageSdcard class to handle storage for radios that use SD card to store radio settings and models