#4 - As a user, I want to create a new account from the API

Story:
- Name, email address, password

Sub-task:
- Create a post request endpoint for submitting user information 
- Encrypt user's password 
- Save user information in database

Fulfillment criteria:
- After the post request, user's info is stored in the db. Response with status code 201 is returned. (http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html)

Bug report: 
