added location model and migration
added season model and migration
added seasonal_fruits model and migration
removed string location coulmn and added foreign key to ProduceByGs1
schema change
Merge pull request #14 from MissingLabel/seasons_model_migrations

Season, seasonal_fruit, location models and migrations
updated README and schema xml
updated schema png
parsing api to grab usefull info for nutrition
created all variables needed to be sent to nutrition sheet
made api info useable and made controller call it
fixed merge conflicts