fix(app): adds django_extensions
fix(app): split pip requirements into two files and remove un-necessary modules

part of cleanup in #50
feat(app): default settings are settings.default :joy_cat:

part of #50
fix(tests): make travis use requirements-dev.txt

part of #50
fix(app): add versioning to main app

part of #50
fix(app): removes django-nose from requirements.txt

part of #50
fix(app): adds sample config file

part of #50
feat(app): use distutils/setuptools to install citoengine

part of #50
fix(tests): make travis skip local setup.py
fix(tests): setup env in .travis.yml
fix(app): change references from cito to citonengine
Merge pull request #53 from CitoEngine/issue-50

Issue 50