Improved Docs, AnimationStepApplyMesh+Materials, some other minor tweaks

Docs/Global Variables.md

@@ -63,7 +63,7 @@ When you're typing commands into a lua interpreter interactively, you inevitably
 ```lua
 a = tangible.actor() — get a pointer to my actor
 
-tangible.animate(a, nil, {action="warpto", xyz={100,100,100}})
+tangible.animate{tan=a, anim={action="warpto", xyz={100,100,100}}}
 ```
 
 You just created a temporary variable, *a*. In a normal lua interactive shell, these temporary variables go into the global environment table.