Add python 3.5 to test envs

Author: allanlei

.travis.yml

@@ -5,7 +5,8 @@ python:
   - "3.2"
   - "3.3"
   - "3.4"
+  - "3.5"
   - "pypy"
 install:
   - "pip install ."
-script: nosetests
+script: nosetests

tox.ini

@@ -1,6 +1,6 @@
 [tox]
-envlist = py26, py27, py32, py33, py34, pypy
+envlist = py26, py27, py32, py33, py34, py35, pypy
 
 [testenv]
 deps=nose
-commands = nosetests {posargs}
+commands = nosetests {posargs}