Refactored iol scraper.

Created a generic feed scraper to make it easier to scrape from feeds
Added html5lib to requirements
Merge branch 'develop' of https://github.com/adieyal/various-scrapers into develop
Now parsing dates in caxton parser
Parsing published date in naspers parser
Fixed python-dateutil requirements
Fixed silly dateutil bug
Fixed author handling for naspers
Added fabric deploy script
Enabled multiple processors in supervisor script
Merge tag 'deploy_scripts_done'

Added a fabric file which can deploy and install a server