Delete Countries List Plaintext File
Add AR Associations to Country, Holiday, Region, User Models
Add AR Assocations to Country, Holiday, Region, User Tables in DB
Remove holiday_id Column From Countries Table
Separate Seeds File: Countries, Holidays, Regions
Edit Regions Seeds File To Associate Countries With Regions
Create Empty Seed Files For All Individual Countries
deleted non-filename characters from seed filenames
Delete Country and Region Models; Create Type Model
Create Users Controller: