* [simulation] Hardening: Fix some potential crashes & 26 memory leaks, improve LCD performance.
* [simpgmspace] Init trims; Make sure `REa` is really defined (to match board files).
* [simpgmspace][opentxsimulator] Verify current running state before start/stop; Move rotary enc. init.
* [simpgmspace][LcdWidget] Improve performance by moving LCD content change check to lcdRefresh() & limiting LcdWidget refresh time to 60 fps max.
* [simueeprom] Ensure thread could be started, set default running state to false.
* [simufatfs] Fix paths report trace.
* [eepromimportexport] Fix memory leaks resulting from import debugging scheme being used.
* [customdebug] Introduce new scheme for custom debug output in compliance with Qt recommendations (see docs for QLoggingCategory).
* [opentxeeprom] Fix extra conversion table cache elements being created and also not properly deleted (and hence leaking).
* [opentxinterface] Unregister EEpromInterfaces in unregisterOpenTxFirmwares();
* [storage] Unregister storage factories on exit (fixes leak); create virtual StorageFormat/StorageFactory destructors (prevents warnings).
* [helpers] GVarGroup now emits own signal, no need to pass ModelPanel pointer (removes dependency on modeledit.h)
* [DebugOutput] Clear simulator trace hook before exiting (prevent possible issues); Fix leak and possible bad QString allocations when reading from buffer; Fix leak with combo box event filter.
* [TelemetrySimulator] Fix leak by deleting LogPlaybackController object on exit; Only set up data fields once; convert timers to static.
* [build] Consolidate all Companion/Simulator shared items in `common` library to reduce build time/etc (node & edge still remain awkward).
* [simulatorwidget] Delete removed spacer object (previously-forgotten "26th" leak).
* [DebugOutput] Fix stray trailing characters issue with new text buffer allocation (from previous commit); Increase maximum buffer sizes to better accommodate slower systems.
* Cosmetics.
* [Companion][Simulator] Add custom qDebug message handler/formatter as an option. Keeps support for QT_MESSAGE_PATTERN env. var.
* [Simulator] Show system messages of level qInfo and above in debug console.
* [Simulator] Still capture screenshot to clipboard if path is not accessible (and screenshot results now print to simulator debug console).
* Fix for older CMake.
* [Companion] Do not start debug message handler if app is shutting down, and add null checks before using it; Increase backtrace report depth; Add OTx headers; Add Companion exit status debug; Clean up unused code.
* [Simulator] Add asynchronous FIFO buffer for handling debug output/display more efficiently. (#4488)
(cherry-picked from b12bd7d7be)
* [package] Add QtSvg support DLLs for Windows.
* [Simulator] Add images/css resources for new version; Create SimulatorIcon and SimulatorStyle classes; Build with SVG support, remove unused bitmaps.
* [Simulator] Improve and simplify VirtualJoystickWidget resize event (sticks maintain X/Y position) & improve values layout w/out trims.
* [Simulator] Refactor Trainer simulator to use VirtualJoystickWidget, gains lock/hold buttons and X/Y position readout.
* [Simulator] More compact layout for Telemetry simulator, reduces min. width and adds scrolling columns to allow smaller window sizes.
* [Simulator] Add new SimulatorMainWindow and RadioOutputsWidget UI classes.
* [storage] Add non-persistent sessionId() to AppData for tracking currently active radio profile ID.
* [Simulator] Major UI updates:
* Use a MainWindow interface with dockable/floatable windows, proper toolbar & menu;
* Persistent size/layout state of all windows/docks/etc between uses, per radio profile;
* Completely separate radio Outputs window with configurable layout (also persistent between uses);
* Translations now enabled in standalone Simulator, follows main Companion setting (they need a lot of updates);
* New custom icons throughout, toolbar icon sizes adhere to user preference in Companion.
* [Simulator] Debug Output console updates:
* New filter feature with optional full RegEx support, can work in inclusive or exclusive modes (full help text is included in UI);
* Up to 50 user-defined filters are saved to permanent settings, also a few predefined filters are provided;
* Saves/restores the last filter used and if it was en/disabled;
* Added word wrap and clear screen features;
* Configurable scroll-back buffer size;
* Increased efficiency & performance of the buffering/printing process.
* [Simulator][OSX] Visual UI tweaks for OS X.
* [Simulator] Fix some debug console settings not being restored properly.
* [Simulator] Add ability to hide/show menu bar; Persist view state of menu bar and radio title bar; Reduce font size on OS X; Other small visual tweaks and improvements.
* [build] Add QtSvg to Linux build scripts (a guess for Dockerfile).
* [build] Fix for Qt 5.3.
* Add OpenTx headers to new files.
* [Companion][storage] Update GeneralSettings() initializer to use current sessionId for profile data retrieval, removes workaround for standalone Simulator being started with arbitrary profile; AppData: always update sessionId when global id() changes.
* [X10] Fixes for new simulator
