Update Django security releases 1.9.10 and 1.8.15

tox.ini

@@ -15,8 +15,8 @@ setenv =
        PYTHONDONTWRITEBYTECODE=1
        PYTHONWARNINGS=once
 deps =
-        django18: Django==1.8.14
-        django19: Django==1.9.9
+        django18: Django==1.8.15
+        django19: Django==1.9.10
         django110: Django==1.10
         djangomaster: https://github.com/django/django/archive/master.tar.gz
         -rrequirements/requirements-testing.txt