Review build env

Author: Fantomas42

.travis.yml

@@ -5,11 +5,12 @@ python:
     - 3.3
     - 3.4
 env:
-    - DJANGO=1.7
-    - DJANGO=1.8
-    - DATABASE_ENGINE=sqlite
-    - DATABASE_ENGINE=postgres
-    - DATABASE_ENGINE=mysql
+    - DJANGO=1.7 DATABASE_ENGINE=sqlite
+    - DJANGO=1.7 DATABASE_ENGINE=postgres
+    - DJANGO=1.7 DATABASE_ENGINE=mysql
+    - DJANGO=1.8 DATABASE_ENGINE=sqlite
+    - DJANGO=1.8 DATABASE_ENGINE=postgres
+    - DJANGO=1.8 DATABASE_ENGINE=mysql
 matrix:
     exclude:
         - python: 3.2