Commits from @MartB and more ...

- Commit: 1d9165f403
- New default QT capture implementation
- UploadHandler added to Effects Configurator to allow uploading GIF files
- Docker compile script and instruction
- Travis Fix

libsrc/hyperion/GrabberWrapper.cpp

@@ -77,6 +77,10 @@ QStringList GrabberWrapper::availableGrabbers()
 	grabbers << "x11";
 	#endif
 
+	#ifdef ENABLE_QT
+	grabbers << "qt";
+	#endif
+
 	return grabbers;
 }