create .travis.yml and requirements.txt files

.travis.yml

@@ -0,0 +1,10 @@
+sudo: false
+language: python
+python:
+  - "3.3"
+  - "3.4"
+  - "3.5"
+install:
+  - pip install -r requirements.txt
+script:
+  - nosetests --verbose test

requirements.txt

@@ -0,0 +1 @@
+requests