Completed Story 69

Enforced authorization rules
Bootstrapped login, register
Fix indentation
Make some tests
Fixed specs to account for new signup/signin
[skip ci] Always requiring login, exempting some actions
Merge branch 'integration' into feature/69-enforce_login

Conflicts:
	app/views/layouts/application.html.erb
	db/schema.rb
Merge branch 'feature/69-enforce_login' into integration