Wagtail

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* Fixed a regression where images would fail to save when feature detection is active

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* Added logging for page operations
* The save button on the page edit page now redirects the user back to the edit page instead of the explorer
* Signal handlers for ``wagtail.wagtailsearch`` and ``wagtail.contrib.wagtailfrontendcache`` are now automatically registered when using Django 1.7 or above. (Tim Heap)
* Added a Django 1.7 system check to ensure that foreign keys from Page models are set to on_delete=SET_NULL, to prevent inadvertent (and tree-breaking) page deletions
* Improved error reporting on image upload, including ability to set a maximum file size via a new setting WAGTAILIMAGES_MAX_UPLOAD_SIZE
* The external image URL generator now keeps persistent image renditions, rather than regenerating them on each request, so it no longer requires a front-end cache
* Added Dutch translation
* Fix: Replaced references of .username with .get_username() on users for better custom user model support (John-Scott Atlakson)
* Fix: Unpinned dependency versions for six and requests to help prevent dependency conflicts
* Fix: Fixed TypeError when getting embed HTML with oembed on Python 3 (John-Scott Atlakson)
* Fix: Made HTML whitelisting in rich text fields more robust at catching disallowed URL schemes such as "jav\tascript:" (Tim Heap)
* Fix: created_at timestamps on page revisions were not being preserved on page copy, causing revisions to get out of sequence
* Fix: When copying pages recursively, revisions of sub-pages were being copied regardless of the copy_revisions flag
* Fix: Updated the migration dependencies within the project template to ensure that Wagtail's own migrations consistently apply first.
* Fix: The cache of site root paths is now cleared when a site is deleted.
* Fix: Search indexing now prevents pages from being indexed multiple times, as both the base Page model and the specific subclass
* Fix: Search indexing now avoids trying to index abstract models
* Fix: Fixed references to "username" in login form help text for better custom user model support (John-Scott Atlakson)
* Fix: Later items in a model's search_field list now consistently override earlier items, allowing subclasses to redefine rules from the parent
* Fix: Image uploader now accepts JPEG images that PIL reports as being in MPO format
* Fix: Multiple checkbox fields on form-builder forms did not correctly save multiple values
* Fix: Editing a page's slug and saving it without publishing could sometimes cause the URL paths of child pages to be corrupted
* Fix: 'latest_revision_created_at' was being cleared on page publish, causing the page to drop to the bottom of explorer listings
* Fix: Searches on partial_match fields were wrongly applying prefix analysis to the search query as well as the document (causing e.g. a query for "water" to match against "wagtail")

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* Added interface for choosing focal point on images
* Redesigned and reorganized navigation menu to include a 'Settings' submenu
* Added Groups administration area
* Added Sites administration area
* Added the ability to lock a page to (temporarily) prevent edits to that page
* Removed 'content_type' template filter from the project template, as the same thing can be accomplished with self.get_verbose_name|slugify
* Page copy operations now also copy the page revision history
* Page models now support a 'parent_page_types' property in addition to 'subpage types', to restrict the types of page they can be created under
* 'register_snippet' can now be invoked as a decorator
* Project template updated to Django 1.7
* 'boost' applied to the title field on searches reduced from 100 to 2
* The 'type' method of PageQuerySet (used to filter the queryset to a specific page type) now includes subclasses of the given page type.
* The 'update_index' management command now updates all backends listed in WAGTAILSEARCH_BACKENDS, or a specific one passed on the command line, rather than just the default backend
* The 'fill' image resize method now supports an additional parameter defining the closeness of the crop
* Added support for invalidating Cloudflare caches
* Pages in the explorer can now be ordered by last updated time
* Fix: 'wagtail start' command now works on Windows
* Fix: The external image URL generator no longer stores generated images in Django's cache
* Fix: Elasticsearch backend can now search querysets that have been filtered with an 'in' clause of a non-list type (such as a ValuesListQuerySet)
* Fix: Logic around the has_unpublished_changes flag has been fixed, to prevent issues with the 'View draft' button failing to show in some cases
* Fix: It is now easier to move pages to the beginning and end of their section
* Fix: Image rendering no longer creates erroneous duplicate Rendition records when the focal point is blank.

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* Added 'wagtail start' command and project template
* Added Django 1.7 support
* Added {% routablepageurl %} template tag (Tim Heap)
* Added RoutablePageMixin (Tim Heap)
* MenuItems can now have bundled JavaScript
* Added the register_admin_menu_item hook for registering menu items at startup
* Added version indicator to the admin interface
* Renamed wagtailsearch.indexed to wagtailsearch.index
* Added Russian translation
* Fix: Page URL generation now returns correct URLs for sites that have the main 'serve' view rooted somewhere other than '/' (Nathan Brizendine)
* Fix: Search results in the page chooser now respect the page_type parameter on PageChooserPanel
* Fix: Rendition filenames are now prevented from going over 60 chars, even with a large focal_point_key
* Fix: Child relations that are defined on a model's superclass (such as the base Page model) are now picked up correctly by the page editing form, page copy operations and the replace_text management command
* Fix: (For Django 1.7 support) Do not import South when using Django 1.7 (thenewguy)
* Fix: Tags on images and documents are now committed to the search index immediately on saving

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* Added multiple image uploader
* Added support for face and feature detection on images using the OpenCV library
* Added RoutablePage model to allow embedding Django-style URL routing within a page
* Added image/document/snippet usage stats
* Explorer nav now rendered separately and fetched with AJAX when needed
* Added decorator syntax for hooks
* Replaced lxml dependency with html5lib, to simplify installation
* Added page_unpublished signal
* Added mechanism to obtain external URLs to images, at any size
* Added Copy Page action to the explorer
* Fix: Updates to tag fields are now properly committed to the database when publishing directly from the page edit interface

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* ElasticSearch backend now respects the backward-compatible URLS configuration setting, in addition to HOSTS
* Documentation fixes