Separated test settings into its own module
Enabled autodoc in sphinx configuration
Improvements to PageQuerySet docs
Enabled autodoc on Page class
Made tests.settings like a real settings file
add note about fixing old migrations that break on the expired column
Typos in 0.4 release notes
Added 0.5 release notes
Added contents
Added contents
python -> Python
Update private_pages.rst
Made contents a bit smaller
Added 0.5 release notes to menu
Put 0.5 above 0.4 in menu
Removed redundant 'in development' notice
consistent editors / editor's / Editor's
Alter wagtailadmin.utils.used_by()

wagtailadmin.utils.used_by() no longer assumes that model
relationships to pages are named 'page'. Instead it assumes that all
ParentalKey relationships are relationships to pages.
Rerun makemessages on wagtailadmin
Rerun makemessages on wagtailcore