- lint_python.sh: remove unused VERBOSE variable, use OVERALL_STATUS for exit
- run_game.sh: add || exit after cd
- install_arch.sh/uninstall_arch.sh: separate local declaration and assignment
- lint.sh: use variable for pkg-config output to avoid word splitting
- Add +x to Python scripts with shebangs (3 files)
- Remove -x from non-script files like .cpp, .txt, makefile (23 files)
- Move shebang to first line in C/imageViewer/lint.sh