Merge branch 'feature/travisci'

.travis.yml

+---
+language: python
+python: ["2.7", "3.2", "3.3", "3.4", "3.5"]
+dist: trusty
+sudo: false
+cache:
+  - pip
+
+install:
+    - pip install tox-travis
+
+script:
+  - tox
+
+notifications:
+  email: false

tests.sh

@@ -9,9 +9,10 @@ export name='John'
 test "$(echo 'Hello {{ name if name is defined else 'world' }}.' | template)" = "Hello John."
 
 echo Testing arguments and reading/ writing to file.
-echo '{{ USER }}' > "$infile"
+echo '{{ name }}' > "$infile"
+export name='John'
 template --output "$outfile" "$infile"
-test "$(cat $outfile)" = "$USER"
+test "$(cat $outfile)" = "$name"
 
 echo Testing JSON parsing.
 export json='{"a": 1, "b": 2}'

tox.ini

 [tox]
 envlist = py{2,3}
 
+[travis]
+python =
+    2.7: py2
+    3.2: py3
+    3.3: py3
+    3.4: py3
+    3.5: py3
+
 [testenv]
 basepython =
     py2: python2