first pass of multi-uploader
Update forms.py
fix a typo and spacing
test
-amremoving test
begun styling and refactoring to work in the way we want
merged amster
Use custom user model in tests
ongoing work on multi uploader
Merge branch 'master' into test-with-custom-user-model

Conflicts:
	wagtail/tests/models.py
	wagtail/tests/utils.py
	wagtail/wagtailcore/tests/test_page_permissions.py
	wagtail/wagtaildocs/tests.py
Merge branch 'master' into feature/multi-image-upload
ongoing styling of multi-upload
ajax form fixed
further tweaks to upload ui
getting tag fields working
tidying
tweaks for ie11
Pull all test database options from env variables

Just pulling two and assuming others broke the base configuration I was
using, which uses a different database name and has a password.
Added page_unpublished signal
Fire page_unpublished signal on page unpublish and delete