fixed bleed between loader and our use of its results

lib/app/addons/rs/yui.js

@@ -540,6 +540,10 @@ YUI.add('addon-rs-yui', function(Y, NAME) {
             }));
             resolved = loader.resolve(true);
 
+            // we need to copy, otherwise the datastructures that Y.loader holds
+            // onto get mixed with our changes, and Y.loader gets confused
+            resolved = Y.mojito.util.copy(resolved);
+
             this._processMeta(resolved.jsMods,  modules, expanded_modules, conditions);
             this._processMeta(resolved.cssMods, modules, expanded_modules, conditions);