* [AppDebugMessageHandler] Add ability to write debug output to any number of QIODevices.
* [Simulator][DebugOutput] Use new QIODevice hook in AppDebugMessageHandler instead of signal/slot.
* [AppData] Add new settings for debug logging; Refactor property creation macro to work with any data type and add varName_init() method to set default; Refactor all boolean settings to use new macro (others to be migrated later).
* [AppPreferencesDialog] Add UI for appDebugLog, fwTraceLog, & appLogsDir settings; Clean up layout on application prefs. tab, move and re-label a couple items.
* [Companion][Simulator] Enable optional application debug output logging.
* [Simulator] Enable optional logging of firmware debug output to file.
* [EEPROMInterface] Use qDebug() instead of std::cout so that now all debug output can be routed via custom message handler/logger.
* [Companion][Simulator] Add missing #include.
* [Horus][Widgets] Outputs widget: Fix bar graph overflow with extended limits (closes#4968); Show standard/translatable source names (CHxx) when no custom name is defined; More const-ness, less math.
* [OutputsWidget] Yet more const-ness and less calculation repetition.
* [Companion] Change logical switch abbreviations to "LS##" in Source/Switch selection lists.
* [LogicalSwitchesPanel] Normalize LS name label.
* We had decided on "Lxx"
* Match firmware side
* ARM wasn't using the translations
* Update strhelpers.cpp
* Implement setCurve for lua
* Bug fixes after actual testing of API
* Fix documentation
* Even more error checking
* Add example code how to use this function
* Silence gcc warnings
* Drop points and start array index at 1 and note about wrong index in getCurve
* Add standard example
* Fixes
* Don’t use an invalid number in example
* fix missing 0
Extraneous semicolon results in an error saying: `invalid key/value pair in
file /lib/udev/rules.d/45-companion22-taranis.rules on line 1, starting
at character 83 (';')`
* [Companion] On first use of Companion show preferences dialog and new welcome message (closes#4731); Improve detection of new version upgrade & reformat message; Add download link URL to Linux update notice (closes#4774); Fix issue with leftover top-level settings categories when checking for older versions which don't exist; Introduce basic structure for warnings/messages to be suppressed by user preferences (eg. "don't show this message again" option).
* Welcome msg typo fix.
