Added 'How can I get started contributing code to Django?' to the FAQ, and beefed up 'Why does this project exist?'
Added 'How can I get started contributing code to Django?' to the FAQ, and beefed up 'Why does this project exist?'

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@3653 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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