Remove EOL Python 2.6 and 3.3, add 3.5 and 3.6

Author: hugovk

.travis.yml

@@ -1,8 +1,6 @@
 language: python
 python:
-  - "2.6"
   - "2.7"
-  - "3.3"
   - "3.4"
   - "3.5"
   - "3.5-dev" # 3.5 development branch
@@ -18,4 +16,4 @@ install:
 - pip install -U setuptools pip setuptools_scm pytest
 - pip install $EDITABLE .
 # command to run tests
-script: pytest
+script: pytest

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist=py27,py26,py33,py34,jython,flakes
+envlist=py27,py34,py35,py36,jython,flakes
 
 [tox:hudson]
 sdistsrc={distshare}/apipkg-*
@@ -16,7 +16,6 @@ commands=py.test-jython []
 deps=flake8
 commands=flake8
 
-
 [flake8]
 exclude=.tox/,.env/,dist/,build/,example/
 max_complexity=11