created a user controller for the sign up page
rspec changes
Revert "created a user controller for the sign up page"

This reverts commit be7db84006725a1867fb284a7384adf697b18cae.
Make a basic User model (including secure passwords)
Merge branch 'modeling-users'

Conflicts:
	app/models/user.rb
	db/schema.rb
	spec/models/user_spec.rb
application_helper correction