Log Message:
Changes 3.4.1:
* Fixed a regression when static placeholder was uneditable if it was present
  on the page multiple times
* Removed globally unique constraint for Apphook configs.
* Fixed a bug when keyboard shortcuts were triggered when form fields were
  focused
* Fixed a bug when ``shift + space`` shortcut wouldn't correctly highlight a
  plugin in the structure board
* Fixed a bug when plugins that have top-level svg element would break
  structure board
* Fixed a bug where output from the ``show_admin_menu_for_pages`` template tag
  was escaped in Django 1.9
* Fixed a bug where plugins would be rendered as editable if toolbar was shown
  but user was not in edit mode.
* Fixed css reset issue with shortcuts modal