Merge pull request #56 in ZP/z-push from bugfix/ZP-703-z-push-top-and-admin-does-NOT-honor-new-ZPUSH_CONFIG-define to develop

* commit 'df0558e3':
  ZP-703 z-push-top and -admin does NOT honor new ZPUSH_CONFIG define. Released under the Affero GNU General Public License (AGPL) version 3.

(cherry picked from commit 2949dd5d)