Merge branch '2.7' into 2.8

* 2.7:
  stick to Sphinx 1.3.x for the moment

Author: xabbuh

Diff for: .travis.yml

@@ -9,7 +9,7 @@ cache:
         - $HOME/.cache/pip
         - _build
 
-install: pip install sphinx~=1.3 git+https://github.com/fabpot/sphinx-php.git
+install: pip install sphinx~=1.3.0 git+https://github.com/fabpot/sphinx-php.git
 
 script: sphinx-build -nW -b html -d _build/doctrees . _build/html