Preserve order of STATICFILES_DIRS locations in FileSystemFinder.
Preserve order of STATICFILES_DIRS locations in FileSystemFinder.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@15389 bcc190cf-cafb-0310-a4f2-bffc1f526a37

skevy/django,disqus/django-old,django-nonrel/django-nonrel,mitsuhiko/django,mitsuhiko/django,Instagram/django,django-nonrel/django-nonrel,jamespacileo/django-france,jamespacileo/django-france,mitsuhiko/django,jamespacileo/django-france,disqus/django-old,Instagram/django,skevy/django,disqus/django-old,skevy/django,Instagram/django,django-nonrel/django-nonrel