Fixed #19686 -- Added HTML5 number input type

Thanks Simon Charette for his help on the patch. Refs #16630.
Remove the exact Postgresql version number from gis install documentation

ref #19752
Merge pull request #749 from ecabuk/master

Fixed #19752 -- Remove the exact Postgresql version from gis doc
Method "save" in BaseModelFormSet is marked as alters_data

Fixes #17663
Merge pull request #750 from vanschelven/master

Fixed #17663 -- Marked BaseModelFormSet.save as alters_data.
Fixed #19758 -- Avoided leaking email existence through the password reset form.
Fixed #19850 -- Use configured staticfiles storage to find the URL of a static file in the admin.
Removes document_root argument from django.contrib.staticfiles.views.serve

This argument can be removed, because the new way of finding static files doesn't take document_root into account at all.
Merge pull request #758 from FakoTB/master

Fixed #19572 - Remove document_root argument from staticfiles views.