test for user creation via api and failure
api controller to protect from forgery without token
updated routes to include create for user api
updated users api controller to handle user creation
render show on user registration rather than duplication view
Merge branch 'feature/api-sign-up' into develop

* feature/api-sign-up:
  render show on user registration rather than duplication view
  updated users api controller to handle user creation
  updated routes to include create for user api
  api controller to protect from forgery without token
  test for user creation via api and failure