* Ship our own copies of urlify.js and xregexp.min.js
This avoids issues with missing files when using Django 1.8 or omitting django.contrib.admin from INSTALLED_APPS (#2927), and guards against any breaking changes to these files in future Django releases.
* Add a WAGTAIL_ALLOW_UNICODE_SLUGS setting
Django's standard behaviour is to preserve managers that are set on abstract
superclasses, so this allows us to eliminate the metaclass hackery.
Fixes#2933
It should be max and min value - not length. See [here](07c3ba84fb/wagtail/wagtailcore/blocks/field_block.py (L306)).
So this would work
`blocks.IntegerBlock(max_value=10, min_value=0)`
but this wouldn't do anything
`blocks.IntegerBlock(max_length=10, min_length=0)`
This is where developers expect it to be, similar to Django and other
projects. The version info still exists at the old `wagtail.wagtailcore`
location, for backwards compatibility.
Fixes#2557
Client-side validation fails on forms with prefilled file upload fields -
see https://code.djangoproject.com/ticket/27037. This is fixed in Django 1.10.1,
so as a workaround we disable client-side validation (using the 'novalidate'
attribute) for forms with enctype="multipart/form-data" on Django 1.10 only.
Fixes#2897
When building a dummy request, you can now pass in the original request object
to add additional information to the dummy. Currently, that includes the
following headers:
REMOTE_ADDR
HTTP_X_FORWARDED_FOR
HTTP_COOKIE
HTTP_USER_AGENT
More may be added later.
This changes ensures that middleware which work on the client IP aren't flumuxed
by its absense, and also makes it possible for previews to be rendered as the
logged in user (they had previously been rendered using an AnnonymousUser).
Because the user's logged in state is now detectable in a Page previews, the
Wagtail userbar now hides itself explicitly during previews, rather than relying
on the fact that previews used to be built with AnonymousUser.
