Travis: disable older Django versions

Author: medmunds

.travis.yml

@@ -2,20 +2,20 @@ sudo: false
 language: python
 matrix:
   include:
-    # Django 1.4: Python 2.6--2.7 (but Anymail doesn't support 2.6)
-    - { env: DJANGO=django==1.4, python: 2.7 }
-    # Django 1.5: Python 2.7, pypy
-    - { env: DJANGO=django==1.5, python: 2.7 }
-    - { env: DJANGO=django==1.5, python: pypy }
-    # Django 1.6: Python 2.7--3.3, pypy
-    - { env: DJANGO=django==1.6, python: 2.7 }
-    - { env: DJANGO=django==1.6, python: 3.3 }
-    - { env: DJANGO=django==1.6, python: pypy }
-    # Django 1.7: Python 2.7--3.4, pypy
-    - { env: DJANGO=django==1.7, python: 2.7 }
-    - { env: DJANGO=django==1.7, python: 3.3 }
-    - { env: DJANGO=django==1.7, python: 3.4 }
-    - { env: DJANGO=django==1.7, python: pypy }
+    ## Django 1.4: Python 2.6--2.7 (but Anymail doesn't support 2.6)
+    #- { env: DJANGO=django==1.4, python: 2.7 }
+    ## Django 1.5: Python 2.7, pypy
+    #- { env: DJANGO=django==1.5, python: 2.7 }
+    #- { env: DJANGO=django==1.5, python: pypy }
+    ## Django 1.6: Python 2.7--3.3, pypy
+    #- { env: DJANGO=django==1.6, python: 2.7 }
+    #- { env: DJANGO=django==1.6, python: 3.3 }
+    #- { env: DJANGO=django==1.6, python: pypy }
+    ## Django 1.7: Python 2.7--3.4, pypy
+    #- { env: DJANGO=django==1.7, python: 2.7 }
+    #- { env: DJANGO=django==1.7, python: 3.3 }
+    #- { env: DJANGO=django==1.7, python: 3.4 }
+    #- { env: DJANGO=django==1.7, python: pypy }
     # Django 1.8: "Python 2.7 or above"
     - { env: DJANGO=django==1.8, python: 2.7 }
     - { env: DJANGO=django==1.8, python: 3.4 }