Use http for gerrit-maven server

For some reason, I can't access this server using https at work.

Other references are already http.

Change-Id: If90f34acf0902b7ceeb66eeafa57991f193f1454
diff --git a/lib/js.defs b/lib/js.defs
index debc7b2..57ccce8 100644
--- a/lib/js.defs
+++ b/lib/js.defs
@@ -29,7 +29,7 @@
   filename = '%s.tgz' % dir
   dest = '%s@%s.npm_binary.tgz' % (name, version)
   if repository == GERRIT:
-    url = 'https://gerrit-maven.storage.googleapis.com/npm-packages/%s' % filename
+    url = 'http://gerrit-maven.storage.googleapis.com/npm-packages/%s' % filename
   elif repository == NPMJS:
     url = 'http://registry.npmjs.org/%s/-/%s' % (name, filename)
   else: