Add user-friendly help message to command line output. Not sure if the echo is in the right place. Also, a little bit of code cleanup.
Add user-friendly help message to command line output. Not sure if the echo is in the right place. Also, a little bit of code cleanup.

git-svn-id: d067c5ac4ab88eb67e34775938ecca467dbd41aa@1779 9ad96551-d73f-0410-9433-afe301b4b3ac

GerHobbelt/simpletest,GerHobbelt/simpletest,GerHobbelt/simpletest