Add Travis-CI configuration

.travis.yml

@@ -0,0 +1,10 @@
+language: python
+python: 2.7
+dist: trusty
+before_install: []
+install:
+- pip install Sphinx sphinx_rtd_theme
+- pip install -r requirements-docs.txt
+before_script: []
+script: sphinx-build -b html db/docs/source db/docs
+after_script: []