rakhimov/scram: Automated GUI Testing

Release Notes This release automates GUI testing with Qt Test and CI on GNU/Linux, macOS, and Windows. Minor Changes GUI: Automated GUI Testing (#202) GUI: Present interface languages in sorted order (#242) GUI: Doxygen code doc generation and coverage (#243) GUI: Spanish translation (thanks to @NeHoMaR) GUI: Turkish translation (thanks to irfandogan) GUI: Dutch translation (thanks to Omer Surer) GUI: Indonesian translation (thanks to @anggaariska, @isaideureka, and Irham21) GUI: Polish translation (thanks to @oschlypajac) GUI: Italian translation (thanks to @aitorres) Removed Features install.py helper script (use CMake or its front-ends directly) GUI: Crash handler (requires an external process; instead, rely on the OS default) Bug Fixes GUI: SIGSEGV on model modification with open report tree (#236) GUI: Zoom box is too reactive (#240) GUI: GateTable: Remove element is active w/o selected element (#241) Since v0.16.0 140 commits resulted in 290 files changed, 117096 insertions(+), 5798 deletions(-) Core: 95 files changed, 531 insertions(+), 582 deletions(-) Scripts: 5 files changed, 236 insertions(+), 139 deletions(-) GUI: 78 files changed, 6694 insertions(+), 3746 deletions(-) Tests: 42 files changed, 421 insertions(+), 659 deletions(-) Documentation: 5 files changed, 58 insertions(+), 20 deletions(-) Schemas: No chang