Use staticfiles app for static if possible

Django allows for more complicated staticfiles than just STATIC_URL + path, such as automatically including hashes in filenames. By importing the correct static tag, we can include this behavior.

Author: Carl Johnson

django_libsass.py

@@ -4,7 +4,7 @@
 import os
 from django.conf import settings
 from django.contrib.staticfiles.finders import get_finders
-from django.templatetags.static import static as django_static
+from django.contrib.staticfiles.templatetags.staticfiles import static as django_static
 
 import sass
 from compressor.filters.base import FilterBase