adding custom img attrs to image_tags, but no custom TestCasecreated for it
typo
Addition of attrs property to image template tag
get_page_types no longer required in wagtailadmin.views.pages
Check that the content type passed to wagtailadmin.pages.create is valid according to subpage_types
Make can_add_subpage and can_publish_subpage permission checks return False for page models that disallow subpages; this ensures that 'add child page' links are not shown
Bypass 'choose a page type' screen when there is only one available choice in subpage_types
Add unit tests for edit_handlers.py. Lint edit_handlers.py.
Merge branch 'master' into edit-handlers-unit-tests

Conflicts:
	wagtail/wagtailadmin/edit_handlers.py
Remove broken test
Merge branch 'imagetags-attrs-prop' of https://github.com/jeffrey-hearn/wagtail into jeffrey-hearn-imagetags-attrs-prop
Update edit handlers unit tests

Add more tests. Clean up modified class properties after tests finish.
Replace assertRegexpMatches with assertIn.
use self.attrs in AbstractRendition.img_tag to avoid duplication
Document the 'attrs' property of image renditions
Changelog entry for #299
Merge branch 'jeffrey-hearn-imagetags-attrs-prop'
Merge branch 'feature/image_tag_attrs' of https://github.com/sixpearls/wagtail into sixpearls-feature/image_tag_attrs -
Update img_tag to output extra attributes through format_html_join rather than a template.
Conflicts:
	wagtail/wagtailimages/models.py
Refactor image tag parser so that it only has two cases to handle
Add unit test for image tag with extra attributes
Merge branch 'sixpearls-feature/image_tag_attrs'