Updated to latest version of all dev/test gems.

Author: jdantonio

Gemfile

@@ -4,21 +4,20 @@ gemspec name: 'concurrent-ruby'
 
 group :development do
   gem 'rake', '~> 10.3.2'
-  gem 'rake-compiler', '~> 0.9.2'
+  gem 'rake-compiler', '~> 0.9.5'
   gem 'gem-compiler', '~> 0.3.0'
 end
 
 group :testing do
-  gem 'rspec', '~> 3.0.0'
-  gem 'simplecov', '~> 0.8.2', :require => false
-  gem 'coveralls', '~> 0.7.0', :require => false
-  gem 'timecop', '~> 0.7.1'
+  gem 'rspec', '~> 3.2.0'
+  gem 'simplecov', '~> 0.9.2', :require => false
+  gem 'coveralls', '~> 0.7.11', :require => false
+  gem 'timecop', '~> 0.7.3'
 end
 
 group :documentation do
   gem 'countloc', '~> 0.4.0', :platforms => :mri, :require => false
-  gem 'rubycritic', '~> 1.0.2', :platforms => :mri, require: false
-  gem 'yard', '~> 0.8.7.4', :require => false
-  gem 'inch', '~> 0.4.6', :platforms => :mri, :require => false
-  gem 'redcarpet', '~> 3.1.2', platforms: :mri # understands github markdown
+  gem 'yard', '~> 0.8.7.6', :require => false
+  gem 'inch', '~> 0.5.10', :platforms => :mri, :require => false
+  gem 'redcarpet', '~> 3.2.2', platforms: :mri # understands github markdown
 end