added livestock model
merged livestock into develop
added pager max=100 and prices resource
including farmers/migrations for south to work on heroku
added filters and chnged models
authentication tweaks
enforced sitewide default permissions to be IsAuthenticated
added url to farmer in receipt model
nested farmer oject now in receipts
changed MVC based on updated price data
edited .gitignore and added migrations
added edited .gitignore
edted permissions: admin only access to users, farmers, receipts. Authenticated users can access crops, livestock, farms, and prices
removed farmer name from farm resource
added registration
added travis.yml file
edited travis.yml
edited travis.yml
added api user registration
merged with version on heroku