Configure Travis, remove spork, add simplecov, add turbo sprokets.

Add travis config
(cherry picked from commit e3fdb12289)

Only build on Ruby 1.9.3
(cherry picked from commit 719ef386bf)

Exclude pry from CI build
(cherry picked from commit d60935c800)

Conflicts:

	Gemfile

Attempt 2
(cherry picked from commit 2b19253895)

Conflicts:

	Gemfile.lock

Configure travis for postgres
(cherry picked from commit 3a441cd7d9)

Fix migrations that fail because of coupling to changed/removed models
(cherry picked from commit b030793f15)

Set up xvfb for Travis
(cherry picked from commit cdc3ab09a1)

Add a failing test to test travis
(cherry picked from commit 72aa8fe5e5)

Revert "Add a failing test to test travis"

This reverts commit 72aa8fe5e5.
(cherry picked from commit bd5533e2b1)

Add simplecov
(cherry picked from commit 5089d3bb22)

Conflicts:

	Gemfile.lock

Add turbo sprockets for faster asset precompile
(cherry picked from commit 3e6c56a638)

Remove spork
(cherry picked from commit ed7bded642)

Conflicts:

	spec/spec_helper.rb

Remove more spork-specific things, remove unused cuc config from zeus
(cherry picked from commit fa11ff8982)

Ensure order decorator is required, fix test fragility
(cherry picked from commit 1e94f88c5e)

script/rails

@@ -1,6 +1,12 @@
 #!/usr/bin/env ruby
 # This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
 
+if ENV['RAILS_ENV'] == 'test'
+  require 'simplecov'
+  SimpleCov.start 'rails'
+  puts "required simplecov"
+end
+
 APP_PATH = File.expand_path('../../config/application',  __FILE__)
 require File.expand_path('../../config/boot',  __FILE__)
 require 'rails/commands'