* [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.
* [Simulator] Remove extraneous format value in microsTimer; Better way to delete SimulatorStartupDialog (in case no event loop starts).
* [Simulator] No helpers dependency for SimulatorStartupDialog.
* [simpgmspace] Rename micros timer function and make externally available.
* [Companion] Fix possible uninitialized value in TreeModel (compiler warning).
* [multi_arm] Fix minor compiler warning (MSVC: "unsafe mix of type 'uint8_t' and type 'bool' in operation").
* [lua] Fix compiler warning ("'data' may be used uninitialized in this function").
* [OpenTxSimulator] Fix analogs array range.
* [Simulator] Auto-start simulator when SimulatorMainWindow is first shown (vs. before it was shown).
* [Simulator] DebugOutput: prevent possible mutex deadlock on buffer overflow (force queued connection for Qt < 5.3).
* [Companion] Display calibration data for Horus joysticks (MOUSE1/MOUSE2)
