Merge remote-tracking branch 'msabramo/travis' into devel

Travis CI (http://travis-ci.org/) is a hosted CI system
"in the cloud".

.travis.yml

@@ -0,0 +1,13 @@
+language: python
+
+python:
+  - 2.6
+  - 2.7
+
+before_script:
+  - psql -c 'create database psycopg2_test;' -U postgres
+
+install:
+  - python setup.py install
+
+script: make check