Merge branch 'fsdg/ui5017' into 'master'

Fix fsdg ui5017 - wings3d recommends non-free software

wings3d has been dropped by upstream in Belenos, so the easy fix for Toutatis is to exclude it there too.  Further it's 3d modelling software and from what I can work out the only libre rendering engine for it (povray) wasn't libre for Toutatis.

See merge request !12

purge-precise

@@ -99,6 +99,7 @@ bibledit*
 biblememorizer
 bible-kjv
 winetricks
+wings3d
 "
 
 # Packages that we have helpers for but we don't want to risk pulling anyway