New get/setpref() values for RenderToolbox3 output folders and default hints.
"isDeleteIntermediates" hints renamed to "isDeleteTemp" to match new tempFolder get/setpref() value.
Merge branch 'master' of github.com:DavidBrainard/RenderToolbox3

Conflicts:
	Utilities/InitializeRenderToolbox.m

Whatever man.  Resolved.