drop py26 and pypy3 from the test suite

.travis.yml

@@ -4,8 +4,6 @@ sudo: false
 
 matrix:
     include:
-        - python: 2.6
-          env: TOXENV=py26
         - python: 2.7
           env: TOXENV=py27
         - python: 3.3
@@ -16,8 +14,6 @@ matrix:
           env: TOXENV=py35
         - python: pypy
           env: TOXENV=pypy
-        - python: pypy3
-          env: TOXENV=pypy3
         - python: 3.5
           env: TOXENV=py2-cover,py3-cover,coverage
         - python: 3.5

README.rst

@@ -16,8 +16,7 @@ An extensible package which can be used to:
 - serialize an arbitrary data structure to a data structure composed
   of strings, mappings, and lists.
 
-It runs on Python 2.6, 2.7, 3.3, 3.4, and 3.5, and on current PyPy and PyPy3
-versions.
+It is tested on Python 2.7, 3.3, 3.4, and 3.5, and PyPy.
 
 Please see http://docs.pylonsproject.org/projects/colander/en/latest/
 for documentation.

docs/index.rst

@@ -6,7 +6,7 @@ Colander
 
 Colander is useful as a system for validating and deserializing data obtained
 via XML, JSON, an HTML form post or any other equally simple data
-serialization.  It runs on Python 2.6, 2.7, 3.3, 3.4, 3.5, pypy, and pypy3.
+serialization.  It is tested on Python 2.7, 3.3, 3.4, 3.5, and PyPy.
 Colander can be used to:
 
 - Define a data schema.

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py26,py27,py33,py34,py35,pypy,pypy3,
+    py27,py33,py34,py35,pypy,
     docs,
     {py2,py3}-cover,coverage
 
@@ -8,13 +8,11 @@ envlist =
 # Most of these are defaults but if you specify any you can't fall back
 # to defaults for others.
 basepython =
-    py26: python2.6
     py27: python2.7
     py33: python3.3
     py34: python3.4
     py35: python3.5
     pypy: pypy
-    pypy3: pypy3
     py2: python2.7
     py3: python3.5