add delayed_jobs and clockwork gems, create dj table
add class method for gather and update, for use with dj
remove redundant cron stuff
more delayed job config stuff
add procfile with entries for clock and worker processes
clock file for setting clocks and handlers
fix entry model spec
procfile round two
heroku stuff, procfile ftw
require feed class
clean up
fix the widget title
more styling the widget
last css tweak
add validations to entry model spec
Merge branch 'dj_and_clockwork' into develop

Conflicts:
	app/views/entries/widget_index.html.haml