Add Travis CI build

Author: matthewbalvanz-wf

.travis.yml

@@ -0,0 +1,13 @@
+language: python
+python:
+  - "2.7"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.6"
+
+sudo: false
+
+install: pip install -r requirements_dev.txt
+
+script: make test

requirements_dev.txt

@@ -11,6 +11,7 @@ pycodestyle==2.2.0
 pydocstyle==1.1.1
 pyflakes==1.3.0
 tox==2.5.0
+tox-travis==0.8
 wheel==0.24.0
 
 -r requirements.txt