Remove support for py2.6 (#50)

Author: Teddy Reed

.travis.yml

@@ -4,7 +4,6 @@ cache:
   directories:
     - $HOME/.cache/pip
 python:
-  - 2.6
   - 2.7
   - 3.3
   - 3.4

setup.py

@@ -106,7 +106,6 @@ def run(self):
           "License :: OSI Approved :: BSD License",
 
           "Programming Language :: Python :: 2",
-          "Programming Language :: Python :: 2.6",
           "Programming Language :: Python :: 2.7",
           "Programming Language :: Python :: 3",
           "Programming Language :: Python :: 3.3",