revert .travis.yml

Author: Sergey Vilgelm

.travis.yml

@@ -17,10 +17,12 @@ script:
 
 jobs:
   include:
-    # Test Stage
+      # Test Stage
     - stage: test
       python: 2.7
       script: pytest --cov pylintfileheader pylintfileheadertest # Do not lint here
+    - stage: test
+      python: 3.4
     - stage: test
       python: 3.5
     - stage: test