Fix for RELEASES URLs not containing the app name when using Nuts as …

…an Express middleware

From GitbookIO#159

lib/nuts.js

@@ -2,6 +2,7 @@ var _ = require("lodash")
 var Q = require("q")
 var Feed = require("feed")
 var urljoin = require("urljoin.js")
+var url = require("url")
 var Understudy = require("understudy")
 var express = require("express")
 var useragent = require("express-useragent")
@@ -375,9 +376,9 @@ Nuts.prototype.onUpdateWin = function (req, res, next) {
             var gitFilePath =
               channel === "*" ? "../../../../" : "../../../../../../"
             entry.filename = urljoin(
-              fullUrl,
+              fullUrl.replace(url.parse(fullUrl).search, ""),
               gitFilePath,
-              `download/${entry.semver}/${entry.filename}`,
+              "/download/" + entry.semver + "/" + entry.filename,
             )
 
             return entry