Configure for Travis
Badge up!

[ci skip]
Install Code Climate test reporting
Update the bundle
Add a test to cover message list authentication
Test the User.authenticate method
Address RSpec 3 deprecation warnings
Upgrade to RSpec 3
Address further RSpec 3 deprecation warnings
Test the authentication process
Use RSpec's documentation format

This allows us to see the performance test timing on Travis.
Mark multiple messages as read in one query

…rather than in 2n queries, where n is the number of messages being
marked as read.