Merge pull request #624 from ocefpaf/drop_py34

Drop Python 3.4 tests

Author: ocefpaf

.travis.yml

@@ -11,8 +11,6 @@ matrix:
   include:
   - python: 2.7
     env: TEST_TARGET=default
-  - python: 3.4
-    env: TEST_TARGET=default
   - python: 3.5
     env: TEST_TARGET=default
   - python: 3.6