Removes the following deprecation warning:

'method adapters is deprecated. use profiles instead'

This warning was showing up because the project was using
the gem 'simplecov-gem-adapter' which uses the old syntax.

* Remove the gem dependency
* Add a profile with the same setup that the gem has

Gemfile

@@ -19,7 +19,6 @@ gem 'maruku', '~> 0.7.0'
 gem 'rdiscount', '~> 2.0'
 gem 'launchy', '~> 2.3'
 gem 'simplecov', '~> 0.9'
-gem 'simplecov-gem-adapter', '~> 1.0.1'
 gem 'mime-types', '~> 1.5'
 gem 'activesupport', '~> 3.2.13'
 gem 'jekyll_test_plugin'

lib/simplecov_custom_profile.rb

@@ -0,0 +1,13 @@
+require 'simplecov'
+
+SimpleCov.profiles.define 'gem' do
+  add_filter '/test/'
+  add_filter '/features/'
+  add_filter '/spec/'
+  add_filter '/autotest/'
+
+  add_group 'Binaries', '/bin/'
+  add_group 'Libraries', '/lib/'
+  add_group 'Extensions', '/ext/'
+  add_group 'Vendor Libraries', '/vendor/'
+end

test/helper.rb

@@ -1,5 +1,4 @@
-require 'simplecov'
+require 'simplecov_custom_profile'
-require 'simplecov-gem-adapter'
 SimpleCov.start('gem') do
   add_filter "/vendor/bundle"
   add_filter "/vendor/gem"