Added a basic testing structure

.travis.yml

···
+# Config file for automatic testing at travis-ci.org
+
+language: python
+python: 2.7
+
+# command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
+install:
+  - pip install flake8 Scrapy docopt
+
+# command to run tests, e.g. python setup.py test
+script:
+  - nosetests tests
+  - make lint
+
+after_success: coveralls

tests/__init__.py

···
+__author__ = 'jdekker'

tests/test_sourceloader.py

···
+import unittest
+
+
+class TestSourceloader(unittest.TestCase):
+    pass