resturctured supported python and django versions on travis

.travis.yml

@@ -5,6 +5,7 @@ python:
     - "3.3"
     - "3.4"
     - "3.5"
+    - "3.6"
 
 sudo: false
 
@@ -12,6 +13,7 @@ env:
     - DJANGO=1.8
     - DJANGO=1.9
     - DJANGO=1.10
+    - DJANGO=1.11
     - DJANGO=master
 
 matrix:
@@ -19,6 +21,8 @@ matrix:
     include:
       - python: "3.6"
         env: DJANGO=master
+      - python: "3.6"
+        env: DJANGO=1.11
       - python: "2.7"
         env: TOXENV="lint"
       - python: "2.7"
@@ -29,7 +33,14 @@ matrix:
       - python: "3.3"
         env: DJANGO=1.10
       - python: "3.3"
+        env: DJANGO=1.11
+      - python: "2.7"
+        env: DJANGO=master
+      - python: "3.3"
+        env: DJANGO=master
+      - python: "3.4"
         env: DJANGO=master
+
     allow_failures:
       - env: DJANGO=master