Merge pull request #24 from iurisilvio/master

Adicionando .travis.yml para rodar no travis-ci

.travis.yml

+language: python
+
+before_install: pip install -r requirements.txt
+
+script: nosetests
+
+branches:
+  only:
+    - master
+    - dev

requirements.txt

 bottle==0.11.4
-ipython==0.13.1.rc2
 lxml==2.3.5
 nose==1.2.1
 pymongo==2.4