[Zope] Zope 4.5.4 and 5.1.1 released

On behalf of Zope developer community I am pleased to announce the releases of Zope 4.5.4 and 5.1.1. This bugfix release solves a few minor issues and updates the shipped versions of bootstrap, jQuery and Font Awesome to their latest releases. For the full list of changes see the change logs at https://zope.readthedocs.io/en/4.x/changes.html#id1 and https://zope.readthedocs.io/en/latest/changes.html#id1 Installation instructions can be found at https://zope.readthedocs.io/en/4.x/INSTALL.html and https://zope.readthedocs.io/en/latest/INSTALL.html. Jens Vagelpohl