Merge pull request #3048 from mkoistinen/no_redirects_in_sitemap

Remove redirected pages from the sitemap
Merge pull request #3051 from digi604/fix-3050

Fix 3050 (page types on multiple sites)
Fix check on request.GET while request == None
slug collision checks for page types
Merge pull request #3053 from digi604/fix-3049

slug collision checks for page types
Merge pull request #3052 from derenio/fix_none_request_in_cmstoolbar_tag

Fix check on request.GET while request == None
Merge pull request #3042 from intgr/app_menu_warning

Add app name to "no menus" warning message
Fix #3038, append target _top to view on site link in modal
Merge pull request #3059 from johnraz/Issue3038-view-on-site-in-modal

Fix #3038, append target _top to view on site link in modal
{% show_menu %} uses template menu/menu.html and not cms/menu.html
Merge pull request #3061 from bronsen/develop

{% show_menu %} uses template menu/menu.html and not cms/menu.html
Add 'REFRESH_PAGE' on_success for a few menu items.

Added to "Undo", "Redo", "Revert to live", "Logout".
language changer for views
fix tests
Merge pull request #3065 from digi604/language_switcher

language changer for views amnd i18n url support
Merge pull request #3066 from digi604/fix-22

fixes #3043
fixes a revert to live problem
Merge pull request #3067 from digi604/fix-reverttolive

fixes a revert to live problem
Add feature change "?edit" variable (and "?edit_off", "?build") to custom variable (eq. "?admin_on") in project started with Django-CMS.
Replace all static urls "?edit", "?edit_off", "?build" to changeable variables "?CMS_ADMIN_TOOLBAR__EDIT_ON", "?CMS_ADMIN_TOOLBAR__EDIT_OFF", "?CMS_ADMIN_TOOLBAR__BUILD".