Create Verifications controller to verify email exists
Add order.js to handle ajax requests on order form.
-Begin writing browser code to grab email from text input for verification on server
Improve order.js
-Add get request
Improve email verification functionality
-Console log response.responseText
-Add User.find_by_email to VerificationsController
Add check for nil email to verifications controller
Add authentication partial to be returned if email exists in db
-check db for email in verifications controller
-if it exists, return _authentication.html.erb to browser
-to do: display partial
Update orders.js to append authentication partial for registered users
-append to new orders form
-based on emails matching in db
Add entire Account panel to authentication partial
-display email on  authentication partial
-Add temporary formatting.
-Known issue: Override foundation click to order summary panel