Merge pull request #297 from ThomasWaldmann/py36

travis: test on py36, setup.py: declare py36 support

.travis.yml

@@ -11,6 +11,7 @@ python:
     - "pypy"
     - "3.4"
     - "3.5"
+    - "3.6"
 
 env:
     global:
@@ -27,9 +28,15 @@ matrix:
   exclude:
     - python: "2.7"
       env: DJANGO=1.8.1
+    - python: "3.6"
+      env: DJANGO=1.8.1
   include:
     - python: "2.7"
       env: DJANGO=1.8.1 COVERAGE="coverage run -m" TEST_K="not ddns_client" TEST_OPTS="--pep8"
+    - python: "3.6"
+      env: DJANGO=1.8.17
+  allow_failures:
+    - python: "3.6"
 
 install:
     - ./scripts/travis/install.sh