Expose an API over rest to download the db

[jimmycherian]

1. Elixir will be used as a mobile application and as a web application
2. The mobile app will mostly comprise of the student module, and is intended for use by students. It must work “offline” without a data connection
3. For this to happen, all of the data stored in the web application must be exposed using REST for the mobile application to download and upload
4. Upload will only be used to upload / Sync the scores of the student to the central database
5. Download will be for

• Download Questions and other ADMIN data from Web to Mobile
• Download Scores of a particular student