Fix template.render deprecation warnings for 1.9+

Author: andreif

rest_framework/renderers.py

@@ -672,8 +672,12 @@ def render(self, data, accepted_media_type=None, renderer_context=None):
 
         template = loader.get_template(self.template)
         context = self.get_context(data, accepted_media_type, renderer_context)
-        context = RequestContext(renderer_context['request'], context)
-        ret = template.render(context)
+
+        if django.VERSION < (1, 9):
+            context = RequestContext(renderer_context['request'], context)
+            ret = template.render(context)
+        else:
+            ret = template.render(context, request=renderer_context['request'])
 
         # Munge DELETE Response code to allow us to return content
         # (Do this *after* we've rendered the template so that we include