removed the hidden files

.gitignore

-_extractor.so
-build/
-dist/
-description_extractor.egg-info/
-extractor/extractor.py
-extractor/extractor_wrap.cpp
-extractor/extractor_wrap.cxx
-extractor/_extractor.so
-extractor/*.pyc
-extractor/*.o
-tests/__pycache__/
-.tox/

.travis.yml

-# Validate this file using http://lint.travis-ci.org/
-language: python
-sudo: false
-python:
-  - "2.7"
-addons:
-  apt_packages: swig
-before_install: pip install pytest
-install:
-  - pip install -r requirements.txt
-  - python setup.py install
-
-script: py.test