Make the travis log shorter, enable coveralls rails mode

spec/spec_helper.rb

@@ -1,9 +1,9 @@
+require 'coveralls'
+Coveralls.wear!('rails')
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 ENV["RAILS_ENV"] ||= 'test'
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'
-require 'coveralls'
-Coveralls.wear!
 
 # Requires supporting ruby files with custom matchers and macros, etc, in
 # spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are