Added the ability for end users to register commands with management.py.
Added the ability for end users to register commands with management.py.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@5923 bcc190cf-cafb-0310-a4f2-bffc1f526a37

sam-tsai/django-old,disqus/django-old,alex/django-old,sam-tsai/django-old,mitsuhiko/django,dcramer/django-compositepks,jamespacileo/django-france,hugs/django,disqus/django-old,bfirsh/django-old,mitsuhiko/django,django-nonrel/django-nonrel,dcramer/django-compositepks,Instagram/django,skevy/django,django-nonrel/django-nonrel,jamespacileo/django-france,skevy/django,bfirsh/django-old,Smarsh/django,t11e/django,disqus/django-old,sam-tsai/django-old,hugs/django,jamespacileo/django-france,Instagram/django,hugs/django,bfirsh/django-old,t11e/django,Smarsh/django,Instagram/django,django-nonrel/django-nonrel,dcramer/django-compositepks,mitsuhiko/django,skevy/django,t11e/django,alex/django-old,sam-tsai/django-old,Smarsh/django,Smarsh/django,alex/django-old