diff -r d334a616c023 -r e16a97fb364a src/cm/media/js/lib/yui/yui3-3.15.0/build/loader-rollup/loader-rollup-debug.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3-3.15.0/build/loader-rollup/loader-rollup-debug.js	Mon Mar 10 15:19:48 2014 +0100
@@ -0,0 +1,102 @@
+YUI.add('loader-rollup', function (Y, NAME) {
+
+/**
+ * Optional automatic rollup logic for reducing http connections
+ * when not using a combo service.
+ * @module loader
+ * @submodule rollup
+ */
+
+/**
+ * Look for rollup packages to determine if all of the modules a
+ * rollup supersedes are required.  If so, include the rollup to
+ * help reduce the total number of connections required.  Called
+ * by calculate().  This is an optional feature, and requires the
+ * appropriate submodule to function.
+ * @method _rollup
+ * @for Loader
+ * @private
+ */
+Y.Loader.prototype._rollup = function() {
+    var i, j, m, s, r = this.required, roll,
+        info = this.moduleInfo, rolled, c, smod;
+
+    // find and cache rollup modules
+    if (this.dirty || !this.rollups) {
+        this.rollups = {};
+        for (i in info) {
+            if (info.hasOwnProperty(i)) {
+                m = this.getModule(i);
+                // if (m && m.rollup && m.supersedes) {
+                if (m && m.rollup) {
+                    this.rollups[i] = m;
+                }
+            }
+        }
+    }
+
+    // make as many passes as needed to pick up rollup rollups
+    for (;;) {
+        rolled = false;
+
+        // go through the rollup candidates
+        for (i in this.rollups) {
+            if (this.rollups.hasOwnProperty(i)) {
+                // there can be only one, unless forced
+                if (!r[i] && ((!this.loaded[i]) || this.forceMap[i])) {
+                    m = this.getModule(i);
+                    s = m.supersedes || [];
+                    roll = false;
+
+                    // @TODO remove continue
+                    if (!m.rollup) {
+                        continue;
+                    }
+
+                    c = 0;
+
+                    // check the threshold
+                    for (j = 0; j < s.length; j++) {
+                        smod = info[s[j]];
+
+                        // if the superseded module is loaded, we can't
+                        // load the rollup unless it has been forced.
+                        if (this.loaded[s[j]] && !this.forceMap[s[j]]) {
+                            roll = false;
+                            break;
+                        // increment the counter if this module is required.
+                        // if we are beyond the rollup threshold, we will
+                        // use the rollup module
+                        } else if (r[s[j]] && m.type === smod.type) {
+                            c++;
+                            // Y.log("adding to thresh: " + c + ", " + s[j]);
+                            roll = (c >= m.rollup);
+                            if (roll) {
+                                // Y.log("over thresh " + c + ", " + s[j]);
+                                break;
+                            }
+                        }
+                    }
+
+                    if (roll) {
+                        // Y.log("adding rollup: " +  i);
+                        // add the rollup
+                        r[i] = true;
+                        rolled = true;
+
+                        // expand the rollup's dependencies
+                        this.getRequires(m);
+                    }
+                }
+            }
+        }
+
+        // if we made it here w/o rolling up something, we are done
+        if (!rolled) {
+            break;
+        }
+    }
+};
+
+
+}, '@VERSION@', {"requires": ["loader-base"]});