Switch tests to Django 1.10 by default

Signed-off-by: Michal Čihař <michal@cihar.com>

.travis.yml

@@ -12,12 +12,12 @@ python:
 # build matrix configuration
 env:
   matrix:
-    - CI_PIP_DEPS="Django>=1.9,<1.10" CI_MODE=setup
-    - CI_PIP_DEPS="Django>=1.9,<1.10" CI_DATABASE=mysql
-    - CI_PIP_DEPS="Django>=1.9,<1.10" CI_DATABASE=postgresql
+    - CI_PIP_DEPS="Django>=1.10,<1.11"
+    - CI_PIP_DEPS="Django>=1.10,<1.11" CI_MODE=setup
+    - CI_PIP_DEPS="Django>=1.10,<1.11" CI_DATABASE=mysql
+    - CI_PIP_DEPS="Django>=1.10,<1.11" CI_DATABASE=postgresql
     - CI_PIP_DEPS="Django>=1.9,<1.10"
-    - CI_PIP_DEPS="--pre Django>=1.10rc1,<1.11"
-    - CI_PIP_DEPS="Django>=1.9,<1.10" CI_DATABASE=postgresql CI_MODE=selenium
+    - CI_PIP_DEPS="Django>=1.10,<1.11" CI_DATABASE=postgresql CI_MODE=selenium
   global:
     - DJANGO_SETTINGS_MODULE=weblate.settings_test
     - CI_REQUIREMENTS=travis
@@ -43,7 +43,7 @@ notifications:
 matrix:
   include:
     - python: "3.5"
-      env: CI_PIP_DEPS="Django>=1.9,<1.10"
+      env: CI_PIP_DEPS="Django>=1.10,<1.11"
 addons:
   apt:
     packages: