Merge branch 'release/v0.6.2' into 'master'

.gitlab-ci.yml

CMakeLists.txt

Dockerfile

packaging/README.md

packaging/appimage/AppRun

packaging/appimage/DynAMITE.desktop.template

packaging/icon256x256.png

src/CMakeLists.txt

src/model/input_model.cpp

src/util/defaults.hpp

src/util/heuristics.hpp

src/util/strings.hpp

src/view/boundary_window/boundary_tab.cpp

src/view/boundary_window/boundary_tab.hpp

src/view/boundary_window/boundary_window.cpp

src/view/boundary_window/boundary_window.hpp

src/view/gui/help_widget.cpp

src/view/gui/help_widget.hpp

src/view/input_window/input_tab_base.hpp

src/view/input_window/input_tab_csv_single_cohort.cpp