add .travis.yml and requirements.txt

.travis.yml

@@ -0,0 +1,7 @@
+language: python
+python:
+- "3.2"
+- "3.3"
+install:
+- "pip install -r requirements.txt --use-mirrors"
+script: nosetests

requirements.txt

@@ -0,0 +1,4 @@
+lxml==3.2.1
+mock==1.0.1
+nose==1.3.0
+requests==1.2.3