Merge pull request #1 from Mardak/master

Include the column for the article and test for expected keys.
add nytimes population script to setup.py
add production mode to setup-project.sh
change default json path to /etc/headliner directory
fix aggregator worker import
fix conditional in setup-project.sh
make utils load from json config
fabric deployment script
deployment script keeps a configurable maximum number of releases
fabric setup task creates path set in environment
remove grequests from requirements, move gevent to production-only requirements
add optional task result backend configuration
deploy script don't break when symlinks don't exist
url decorations updatable and nytimes data migration
modify tests to use configurable url decoration
XSS protection by doing input validation before persisting
version bump to 0.5, with version member in top-level package
status api endpoint
change default fetch interval for nytimes to 120 mins
Fix up MAPPINGS spacing/commas
Remove spaces after ":", add explicit "," after objects, remove duplicate spaces.