Add url column to resource migration file.
Seed scrapes khan academy for math standards and resources.
Both xpmath and khan on seed working - math standards and resources (arc and game) on bridge table.
Run this seed file! The previous commit did not comment out now unnecessary scraping.
Add source attribute to resources.
Allow newly created source attribute to be accessible for mass assignment in resource model.
Merge branch 'master' of github.com:codeanpeace/project-x into zara
updated routes, controllers, and views