Remove Python 3.4 support

README.rst

@@ -109,7 +109,7 @@ understands, see: `Features
 <https://jedi.readthedocs.org/en/latest/docs/features.html>`_. A list of
 caveats can be found on the same page.
 
-You can run Jedi on CPython 2.7 or 3.4+ but it should also
+You can run Jedi on CPython 2.7 or 3.5+ but it should also
 understand/parse code older than those versions. Additionally you should be able
 to use `Virtualenvs <https://jedi.readthedocs.org/en/latest/docs/api.html#environments>`_
 very well.