rename iterators to for-of

lib/6to5/transform.js

@@ -107,10 +107,10 @@ transform.transformers = {
   templateLiterals:         require("./transformers/template-literals"),
   propertyMethodAssignment: require("./transformers/property-method-assignment"),
   defaultParameters:        require("./transformers/default-parameters"),
-  destructuringAssignment:  require("./transformers/destructuring-assignment"),
+  destructuring:            require("./transformers/destructuring"),
   generators:               require("./transformers/generators"),
   blockBinding:             require("./transformers/block-binding"),
   modules:                  require("./transformers/modules"),
   restParameters:           require("./transformers/rest-parameters"),
-  iterators:                require("./transformers/iterators")
+  forOf:                    require("./transformers/for-of")
 };