Add travis CI

Author: mariocj89

.travis.yml

@@ -0,0 +1,15 @@
+sudo: false
+language: python
+python:
+    - "2.7"
+    - "3.4"
+    - "3.5"
+    - "3.6"
+install:
+    - pip install -r dev-requirements.txt
+    - pip install pytest-cov coveralls
+script:
+    - python -m pytest tests.py --cov=github_token
+    - python setup.py install
+after_success:
+    - coveralls