grafx - Extensible Java Graphics Package Code

Now supporting '--noaudio' flag in launch-retry.sh.

Adding the rocketman.wav background music in launch-retry.sh.

Adding nightmare level #8.

Adding a couple of TODO comments.

We should study this game. The computer logic seems to be off.

Implementing '--noaudio' command-line flag in launch-playback.sh script.

Adding nightmare-hi-score.blo.

Adding data/make-video-from-this.blo.

Now using the higher quality 'rocketman.wav', loaded as resource, for
background music in launch-computer-ai.sh.

Improving NaiveAudioClip to be fair. Calling m_clip.stop() before playing or
looping the clip. It still does not work as desired. Therefore
ModernAudioClip is really needed. This just proves my point.