Removed older version of python added 3.5

In setup.cfg file the python 3.5 is added
In tox.ini the python 3.5 is added

Change-Id: Ie2571e8778533e7f7601293ee2cfdac4acf8780e

setup.cfg

@@ -15,7 +15,7 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
 
 [files]
 packages =

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py34,py27,pep8
+envlist = py35,py27,pep8
 skipsdist = True
 
 [testenv]