Merge pull request #1 from patrickreynolds/dev

Create initial mvp of user login and authentication.
Check migration file for errors.
Add logs for debugging
Remove validations temporarily
Create initial commit of jsracer logic.
Fix pusher channel typo
Fix ajax pathing error
Include Pusher.js, and add track canvas.
Edit environment app key
Edit username response
Edit username response.. again
Update server response with user and route typo
Change launch jsracer button link.
Update button link
Update relative path.
Introduce Dotenv gem to hide environment variables.