add travis configuration.

Author: ikirudennis

.travis.yml

@@ -0,0 +1,10 @@
+language: python
+python:
+  - "2.6"
+  - "2.7"
+  - "3.2"
+  - "3.3"
+# command to install dependencies
+install: "pip install -r requirements.txt"
+# command to run tests
+script: nosetests