Merge pull request #626 in ZP/z-push from bugfix/ZP-1326-airwatch-boxer-not-working-on-ios to develop

* commit 'dc53e48d':
  ZP-1326 Revert "ZP-1326 Added KOE_CAPABILITY_IMPERSONATE config parameter."
  ZP-1326 Added KOE_CAPABILITY_IMPERSONATE config parameter.
  ZP-250 Include utils in printwbxml.
  ZP-1326 Support empty GetChanges container.