Disable py3* in tox

Signed-off-by: Dan O'Reilly <oreilldf@gmail.com>

python/tox.ini

@@ -1,6 +1,7 @@
 [tox]
 envlist =
-    py26,py27,py33,py34
+    #py26,py27,py33,py34
+    py26,py27
 
 [testenv]
 usedevelop = true