Drop support for Python 2.6

Author: thombashi

.travis.yml

@@ -2,8 +2,6 @@ language: python
 
 matrix:
   include:
-    - python: 2.6
-      env: TOXENV=python2.6
     - python: 2.7
       env: TOXENV=python2.7
     - python: 3.3

setup.py

@@ -44,7 +44,6 @@
         "Operating System :: POSIX",
         "Operating System :: POSIX :: Linux",
         "Programming Language :: Python :: 2",
-        "Programming Language :: Python :: 2.6",
         "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.3",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = python{2.6,2.7,3.3,3.4,3.5}
+envlist = python{2.7,3.3,3.4,3.5}
 
 [testenv]
 deps =