Add django 1.10 to tox

Author: Pamela McA'Nulty

tox.ini

@@ -14,9 +14,9 @@
 
 [tox]
 envlist =
-    py27-django{14,15,16,17,18,19,19tip,tip},
-    py34-django{15,16,17,18,19,19tip,tip},
-    py35-django{18,19,19tip,tip},
+    py27-django{14,15,16,17,18,19,110,110tip,tip},
+    py34-django{15,16,17,18,19,110,110tip,tip},
+    py35-django{18,19,110,110tip,tip},
     check,doc
 
 [testenv]
@@ -28,7 +28,8 @@ deps =
     django17: Django >=1.7, <1.8
     django18: Django >=1.8, <1.9
     django19: Django >=1.9, <1.10
-    django19tip: https://github.com/django/django/archive/stable/1.9.x.tar.gz
+    django110: Django >=1.10, <1.11
+    django110tip: https://github.com/django/django/archive/stable/1.10.x.tar.gz
     djangotip: https://github.com/django/django/archive/master.tar.gz
 
 commands =