much better about YUI module dependencies when calculating for the client

lib/app/addons/rs/yui.server.js

@@ -455,6 +455,7 @@ YUI.add('addon-rs-yui', function(Y, NAME) {
             var loader,
                 m,
                 module,
+                originalYUAnodejs,
                 info,
                 warn,
                 sortedPaths = {};
@@ -479,6 +480,11 @@ YUI.add('addon-rs-yui', function(Y, NAME) {
             // using the same context as this calculation.
             delete YUI.Env._renderedMods;
 
+            // Trick the loader into thinking it's -not- running on nodejs.
+            // This is the official way to do it.
+            originalYUAnodejs = Y.UA.nodejs;
+            Y.UA.nodejs = ('server' === env);
+
             // Use ignoreRegistered here instead of the old `delete YUI.Env._renderedMods` hack
             loader = new Y.Loader({ ignoreRegistered: true });
             // Only override the default if it's required
@@ -489,6 +495,8 @@ YUI.add('addon-rs-yui', function(Y, NAME) {
             loader.addGroup({modules: modules}, mojit);
             loader.calculate({required: required});
 
+            Y.UA.nodejs = originalYUAnodejs;
+
             for (m = 0; m < loader.sorted.length; m += 1) {
                 module = loader.sorted[m];
                 info = loader.moduleInfo[module];