Implement ability to register as a user (front end)

[neraks]

As a Patient, I want to be able to register as a Patient user through a web portal so that I can become a user of Record on the go.

Acceptance criteria 1:
Given I am an unregistered user
When I browse to the Record on the Go working prototype
Then I see a link on the homepage to register as a patient.

Acceptance criteria 2:
Given I am an unregistered user
When I click on the link to register as a patient
Then I am taken to a page with the following labeled fields

• Username
• Password
• Retype Password
• Register button

Acceptance criteria 3:
Given I am an unregistered user
When I am on the Registration page
Then each input field has a max length of 255 characters

Acceptance criteria 4:
Given I am an unregistered user
When I enter an invalid username
Then I see an error message in red text telling me what is wrong with my username

• Only characters and numbers
  • Validation message: "Please enter only characters or numbers"
    And Then I cannot register as a user

Acceptance criteria 6:
Given I am an unregistered user
When I enter a valid username and not matching passwords
Then I see an error message in red text that Password and Retype Password input fields must match.

• Validation message: "Passwords must match"
  And Then I cannot register as a user

Acceptance criteria 5:
Given I am an unregistered user
When I enter a valid username and matching password and retype password
Then I am able to register as a user.

Acceptance criteria 7:
All data is sent securely