remove coveralls - no 1.8 support :(

Gemfile

@@ -4,6 +4,4 @@ group :test do
   gem 'rake'
   gem 'minitest', '4.7.0'
   gem 'minitest-colorize'
-  gem 'json'
-  gem 'coveralls', :require => false
 end

Gemfile.lock

@@ -1,34 +1,15 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    colorize (0.5.8)
-    coveralls (0.6.7)
-      colorize
-      multi_json (~> 1.3)
-      rest-client
-      simplecov (>= 0.7)
-      thor
-    json (1.7.7)
-    mime-types (1.23)
     minitest (4.7.0)
     minitest-colorize (0.0.5)
       minitest (>= 2.0)
-    multi_json (1.7.2)
     rake (10.0.4)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
-    simplecov (0.7.1)
-      multi_json (~> 1.0)
-      simplecov-html (~> 0.7.1)
-    simplecov-html (0.7.1)
-    thor (0.18.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  coveralls
-  json
   minitest (= 4.7.0)
   minitest-colorize
   rake

test/test_helper.rb

@@ -32,10 +32,6 @@ Cask.default_tap = 'phinze-testcasks'
 # our own testy caskroom
 Cask.caskroom = HOMEBREW_PREFIX.join('TestCaskroom')
 
-# coveralls.io integration
-require 'coveralls'
-Coveralls.wear!
-
 class TestHelper
   # helper for test casks to reference local files easily
   def self.local_binary(name)