- Created a new Tox environment just for docs, added said environment to...

- Created a new Tox environment just for docs, added said environment to Travis CI, reintroduced Python 3.2 tests.

.travis.yml

 ---
 language: python
-python: ["2.7", "3.3", "3.4", "3.5"]
+python: ["2.7", "3.2", "3.3", "3.4", "3.5"]
 dist: trusty
 sudo: false
 cache:
   - pip
+matrix:
+  include:
+    - python: "3.5"
+      env: TOXENV=docs
 
 install:
   - pip install tox-travis

tox.ini

@@ -19,11 +19,15 @@ deps =
     flake8
 commands =
     check-manifest --ignore tox.ini,tests*
-    python setup.py check -m -r -s
     flake8 .
     python -m doctest template/filters.py template/__init__.py
     ./tests.sh
 
+[testenv:docs]
+basepython = python
+deps = readme_renderer
+commands = python setup.py check -m -r -s
+
 [testenv:release]
 basepython = python
 whitelist_externals =