Merge master

.gitlab-ci.yml

CMakeLists.txt

README.md

applications/calibration-multi/CMakeLists.txt

applications/calibration-multi/src/main.cpp

applications/calibration-multi/src/multicalibrate.cpp

applications/calibration-multi/src/multicalibrate.hpp

applications/calibration-multi/src/util.cpp

applications/calibration-multi/src/util.hpp

applications/calibration-multi/src/visibility.cpp

applications/calibration-multi/src/visibility.hpp

applications/calibration/src/common.cpp

applications/calibration/src/common.hpp

applications/calibration/src/lens.cpp

applications/calibration/src/stereo.cpp

applications/groupview/src/main.cpp

applications/gui/CMakeLists.txt

applications/gui/src/camera.cpp

applications/gui/src/camera.hpp

applications/gui/src/media_panel.cpp