Fixes bug where recent matches was showing all matches
Implements rating algorithm TrueSkill
Locks Ruby version
Removing unused css colors

- Testing github / tracker integration
[finishes #68164412]
Adding travis config

[#68209084]
Removes newline change to get Travis to pick up a new commit
Version locks some gems

Adds blocking assertion for capybara spec
[#68209084]
Adding custom matcher for asserting arrays of structs are equal

Travis CI was not happy with the old implementation of using eq to assert they are equal
Switches to postgres for development and test env

[finishes #68244074]
Adds Backbone Poller
Refactors polling to Backbone.Poller
Players list is polled every 5 minutes
WIP autocomplete - DO NOT MERGE TO MASTER
Add autocomplete to winner/loser input fields

[#finishes 67437360]