Added an example to demonstrate that missing required non-switched argument is not reported by the argument parser.

git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95774 8089f293-4706-0410-a29e-feb5c42a2edf
Made scoop037 fail until we change the SCOOP runtime which fixes it.


git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95775 8089f293-4706-0410-a29e-feb5c42a2edf
Fixed app compilation.
Fixed a crash due by checking for directory existence.

git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95776 8089f293-4706-0410-a29e-feb5c42a2edf