hyperiond desktop integration (#453)

* add deployment

* add correct api key

* fix cmake lists and add heroku app name

* Update .gitmodules

sync modules with upstream

* add possibility to start hyperiond as systray app

* cleanup

* - new command line options: --desktop --service to set desired mode (systray icon / console only)
- auto detect x server - if avail run in gui mode
- on osx always run in gui mode
- use existing icon from webconfig, instead of own icon
- add ability to no gice a config file name. If config not given, default config file will be set (home dir, or hyperiond dir, depending on writable state)

* fix warnings and compile error

* use own icon for systray purpose

* use new logo

* - set application properties
- fix force service mode

libsrc/grabber/v4l2/V4L2Grabber.cpp

@@ -49,12 +49,12 @@ V4L2Grabber::V4L2Grabber(const QString & device
 	, _noSignalThresholdColor(ColorRgb{0,0,0})
 	, _signalDetectionEnabled(true)
 	, _noSignalDetected(false)
+	, _noSignalCounter(0)
 	, _x_frac_min(0.25)
 	, _y_frac_min(0.25)
 	, _x_frac_max(0.75)
 	, _y_frac_max(0.75)
 	, _currentFrame(0)
-	, _noSignalCounter(0)
 	, _streamNotifier(nullptr)
 	, _imageResampler()
 	, _log(Logger::getInstance("V4L2:"+device))