Small performance tweak - avoid loading django.core.management in DB backend code
Small performance tweak - avoid loading django.core.management in DB backend code

django.core.management (and dependencies) will usually not be needed in a web context.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@15012 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django