[django/django] 30d8b9: [1.7.x] Added feature for implied null (needed for...

[GitHub]

Branch: refs/heads/stable/1.7.x
Home: https://github.com/django/django
Commit: 30d8b95139a1fa3070f3b112115e624ffcf8e555
https://github.com/django/django/commit/30d8b95139a1fa3070f3b112115e624ffcf8e555
Author: Tim Graham <timog...@gmail.com>
Date: 2014-06-19 (Thu, 19 Jun 2014)

Changed paths:
M django/db/backends/__init__.py
M django/db/backends/schema.py

Log Message:
-----------
[1.7.x] Added feature for implied null (needed for Firebird backend)

Backport of 1b07781292 from master