Hooked up transparency for edges / faces.
Hooked up transparency for edges / faces.

Need to re-introduce ztest (transparently, probably) to avoid rendering
artifacts.

moritzdannhauer/SCIRunGUIPrototype,jcollfont/SCIRun,jessdtate/SCIRun,jessdtate/SCIRun,ajanson/SCIRun,collint8/SCIRun,collint8/SCIRun,moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun,jcollfont/SCIRun,jcollfont/SCIRun,jcollfont/SCIRun,jessdtate/SCIRun,moritzdannhauer/SCIRunGUIPrototype,jcollfont/SCIRun,ajanson/SCIRun,ajanson/SCIRun,jcollfont/SCIRun,ajanson/SCIRun,collint8/SCIRun,moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun,ajanson/SCIRun,ajanson/SCIRun,moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun,jessdtate/SCIRun,jessdtate/SCIRun,collint8/SCIRun,jcollfont/SCIRun,collint8/SCIRun,moritzdannhauer/SCIRunGUIPrototype,collint8/SCIRun,ajanson/SCIRun,collint8/SCIRun,collint8/SCIRun,moritzdannhauer/SCIRunGUIPrototype