Add profiler and fix FHD performance issues

.gitlab-ci.yml

CMakeLists.txt

applications/gui/src/camera.cpp

applications/gui/src/src_window.cpp

components/common/cpp/CMakeLists.txt

components/common/cpp/include/ftl/config.h.in

components/common/cpp/include/ftl/profiler.hpp

components/common/cpp/include/ftl/timer.hpp

components/common/cpp/src/configuration.cpp

components/common/cpp/src/profiler.cpp

components/common/cpp/src/timer.cpp

components/operators/src/nvopticalflow.cpp

components/rgbd-sources/src/group.cpp

...onents/rgbd-sources/src/sources/stereovideo/calibrate.cpp

...onents/rgbd-sources/src/sources/stereovideo/calibrate.hpp

components/rgbd-sources/src/sources/stereovideo/local.cpp

components/rgbd-sources/src/sources/stereovideo/local.hpp

...ents/rgbd-sources/src/sources/stereovideo/stereovideo.cpp

components/streams/src/receiver.cpp

components/streams/src/sender.cpp