squeak.sh scripts don't allow to pass arguments in

Both `squeak.sh` scripts ([1](https://github.com/squeak-smalltalk/squeak-app/blob/master/templates/all-in-one/squeak.sh), [2](https://github.com/squeak-smalltalk/squeak-app/blob/master/templates/linux/squeak.sh)) don't allow to pass arguments in, for example `-nodisplay`.