Include add_to_PYTHONPATH function to fabfile.py
Add before_script to .travis.yml file
Update requirements.pip
Fix unused imports
Merge pull request #18 from javidgon/ep-fix-travis-build

Ep fix travis build
Improve README.md
Merge pull request #19 from javidgon/ep-improve-README.md

Improve README.md
Merge branch 'master' of https://github.com/javidgon/endpoint into ep-add-server-functionalities

Conflicts:
	README.md
	fabfile.py
	settings.py