they want the feature or not, based on what they see. Having to click on
"Apply" every time is cumbersome.
- show the slider values
- remove the now obsolete buttons (KISS)
- added "my" title bar, albeit without close button (I was *very* tempted :-)
- new and updated sources for the new volumetric clouds
- 2 new textures for the clouds
- an update to the render dialog to enable/disable and change a few parameters
for the new clouds
