Merge branch 'hs/upload-limits' into develop

src/client.js

@@ -771,6 +771,17 @@ MatrixClient.prototype.getGroups = function() {
     return this.store.getGroups();
 };
 
+/**
+ * Get the config for the media repository.
+ * @param {module:client.callback} callback Optional.
+ * @return {module:client.Promise} Resolves with an object containing the config.
+ */
+MatrixClient.prototype.getMediaConfig = function(callback) {
+    return this._http.requestWithPrefix(
+        callback, "GET", "/config", undefined, undefined, httpApi.PREFIX_MEDIA_R0,
+    );
+};
+
 // Room ops
 // ========