composer.json: use space indents
Add twitter signin capability

For now we don't do anything with the signin.

We need to store the auth in a database, and then push the username to a work queue for processing
Push to AWS SQS for processing
base64 encode the screenname when sending it to SQS

The python library tweepy expects this, and it is a good thing to be doing
Merge pull request #19 from cmaloney/twitter-signin

Twitter signin