add coveralls.io to travis builds

.travis.yml

 language: ruby
 env:
   - DB=mysql
+  - TRAVIS=true
 before_install:
   - sudo apt-get install libicu-dev -y
   - gem install charlock_holmes -v="0.6.9"

Gemfile

@@ -143,6 +143,7 @@ group :development do
 end
 group :development, :test do
+  gem 'coveralls', require: false
   gem 'rails-dev-tweaks'
   gem 'spinach-rails', '0.2.0'
   gem "rspec-rails", '2.12.2'

Gemfile.lock

@@ -89,6 +89,12 @@ GEM
     colored (1.2)
     colorize (0.5.8)
     connection_pool (1.0.0)
+    coveralls (0.6.2)
+      colorize
+      multi_json (~> 1.3)
+      rest-client
+      simplecov (>= 0.7)
+      thor
     crack (0.3.1)
     daemons (1.1.9)
     database_cleaner (0.9.1)
@@ -348,6 +354,8 @@ GEM
     redis-store (1.1.3)
       redis (>= 2.2.0)
     request_store (1.0.5)
+    rest-client (1.6.7)
+      mime-types (>= 1.16)
     rspec (2.12.0)
       rspec-core (~> 2.12.0)
       rspec-expectations (~> 2.12.0)
@@ -468,6 +476,7 @@ DEPENDENCIES
   chosen-rails (= 0.9.8)
   coffee-rails (~> 3.2.2)
   colored
+  coveralls
   database_cleaner
   devise
   draper

features/support/env.rb

 require 'simplecov' unless ENV['CI']
+if ENV['TRAVIS']
+  require 'coveralls'
+  Coveralls.wear!
+end
+
 ENV['RAILS_ENV'] = 'test'
 require './config/environment'

spec/spec_helper.rb

 require 'simplecov' unless ENV['CI']
+if ENV['TRAVIS']
+  require 'coveralls'
+  Coveralls.wear!
+end
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 ENV["RAILS_ENV"] ||= 'test'