Gemfile in descendants_tracker-0.0.1 vs Gemfile in descendants_tracker-0.0.2

@@ -2,58 +2,9 @@
 
 source 'https://rubygems.org'
 
 gemspec
 
-group :yard do
-  gem 'yard',      '~> 0.8.3'
-  gem 'redcarpet', '~> 2.2.2', :platforms => [ :mri, :rbx ]
-end
+gem 'devtools', git: 'https://github.com/rom-rb/devtools.git'
 
-group :guard do
-  gem 'guard',         '~> 1.5.4'
-  gem 'guard-bundler', '~> 1.0.0'
-  gem 'guard-rspec',   '~> 1.2.1'
-end
-
-group :benchmarks do
-  gem 'rbench', '~> 0.2.3'
-end
-
-platform :jruby do
-  group :jruby do
-    gem 'jruby-openssl', '~> 0.7.4'
-  end
-end
-
-group :metrics do
-  gem 'flay',      '~> 1.4.3'
-  gem 'flog',      '~> 2.5.3'
-  gem 'reek',      '~> 1.2.8', :github => 'dkubb/reek'
-  gem 'roodi',     '~> 2.1.0'
-  gem 'yardstick', '~> 0.8.0'
-
-  platforms :ruby_18, :ruby_19 do
-    # this indirectly depends on ffi which does not build on ruby-head
-    gem 'yard-spellcheck', '~> 0.1.5'
-  end
-
-  platforms :mri_18 do
-    gem 'arrayfields', '~> 4.7.4'  # for metric_fu
-    gem 'fattr',       '~> 2.2.0'  # for metric_fu
-    gem 'heckle',      '~> 1.4.3'
-    gem 'json',        '~> 1.7.3'  # for metric_fu rake task
-    gem 'map',         '~> 6.2.0'  # for metric_fu
-    gem 'metric_fu',   '~> 2.1.1'
-    gem 'mspec',       '~> 1.5.17'
-    gem 'rcov',        '~> 1.0.0'
-    gem 'ruby2ruby',   '= 1.2.2'   # for heckle
-  end
-
-  platforms :ruby_19 do
-    gem 'simplecov', '~> 0.7.1'
-  end
-
-  platforms :rbx do
-    gem 'pelusa', '~> 0.2.1'
-  end
-end
+# Added by devtools
+eval_gemfile 'Gemfile.devtools'