Sets 1-1 relationship for businesses & business owners (MVP)
Adds view for business#show
Adds show method in business controller
Finds current user by session id, not session email
Changes business-biz owner relationship to 1-Many
Adds associations between customer & biz owner for Message & Thread
Adds correct path for log out link, adds delete method
Removes separate sign up page (sessions#new). now on root view
Changes to form for creating new mesage. WIP
Adds info from sessions#new view to welcome#home (log in screen)
Formats links to business page in table, adds link_to path
Edits migration & adds belongs_to associations for messages/users
Adds sample biz & message to seed data; changes to schema