Upgraded ez_setup.py from 0.5a12 to 0.6a5
Upgraded ez_setup.py from 0.5a12 to 0.6a5

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@873 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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