Preparing for 2.0.0 release

Closes #47.

Author: koic

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## 2.0.0 (2019-05-22)
+
 ### New features
 
 * Extract Rails cops from rubocop-hq/rubocop repository. ([@koic][])

lib/rubocop/rails/version.rb

@@ -4,7 +4,7 @@ module RuboCop
   module Rails
     # This module holds the RuboCop Rails version information.
     module Version
-      STRING = '0.5.0'
+      STRING = '2.0.0'
     end
   end
 end

rubocop-rails.gemspec

@@ -32,6 +32,6 @@ Gem::Specification.new do |s|
   }
 
   s.add_runtime_dependency 'rack', '>= 2.0'
-  s.add_runtime_dependency 'rubocop', '>= 0.58.0'
+  s.add_runtime_dependency 'rubocop', '>= 0.70.0'
 end
 # rubocop:enable Metrics/BlockLength