move controllers to controllers folder
fix redirect to stations from create
add validation for uniqueness of station and line name
update station name
destroy station
repurpose station controllers into line controllers
update line views to work
repurpose station controllers and views into user controllers and views
update user views to work
change validation to only allow unique emails - always
add password_digest column to users and adds gem 'bcrypt-ruby'
provide strong params for stations and lines
ensures passwords are included when a new user is created
ensure e-mail format is acceptable through validation
flash confirmation when adding, updating or deleting from the database