Changed postgresql DB backend so that it gives a helpful error message if people are using psycopg 2 instead of version 1
Changed postgresql DB backend so that it gives a helpful error message if people are using psycopg 2 instead of version 1

git-svn-id: http://code.djangoproject.com/svn/django/trunk@109 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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extra : convert_revision : f35e665f5e20b58b8d20d539d6e62ab375c63a3f

adieu/django-nonrel,heracek/django-nonrel,adieu/django-nonrel,adieu/django-nonrel,heracek/django-nonrel,heracek/django-nonrel