Fix minor shell lint warnings for robustness (#339)
Fix minor shell lint warnings for robustness (#339)

doQuickTests appears unused. Verify use (or export if used externally).
doZooTests appears unused. Verify use (or export if used externally).
Use "$@" (with quotes) to prevent whitespace problems.
Double quote to prevent globbing and word splitting.
Project-MONAI/MONAI,Project-MONAI/MONAI,Project-MONAI/MONAI,Project-MONAI/MONAI