Merge pull request #1 from torchbox/master

merge upstream
A few improvements to the wagtailforms submission tests
Added test for FormBuilder class
Cleaned up FormBuilder class
Split wagtailforms landing page into separate view
Cleanup of TestFormsBackend TestcAse
Added tests for wagtailforms page modes
More wagtailforms tests
Use reversed URLs in wagtailforms tests
adding custom img attrs to image_tags, but no custom TestCasecreated for it
typo
Change wagtailforms SelectDateForm to use DateTimeFields

This is because DateFields are not timezone aware which causes warnings to be raised by django.

The widgets are still set to "DateInput" so the look and behaviour should not change
Addition of attrs property to image template tag
send init_new_page signal when creating a new page in the admin
Merge branch 'master' of https://github.com/torchbox/wagtail
add next and previous published siblings to Page model
Added wagtail and django settings doc

more settings stuffs

settings stuff

settings stuff

so many things

omg is it really two AM

More docs
made published siblings a single query
Settings doc changes based on feedback
fix kwarg spacing