[FEATURE] Officially support Rails 5.2 (#51)

Closes #45

.travis.yml

@@ -14,6 +14,7 @@ gemfile:
   - gemfiles/Gemfile.rails-4-2
   - gemfiles/Gemfile.rails-5-0
   - gemfiles/Gemfile.rails-5-1
+  - gemfiles/Gemfile.rails-5-2
 
 install:
   - bundle install

CHANGELOG.md

@@ -6,6 +6,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ## x.y.z (unreleased)
 
 ### Added
+- Officially support Rails 5.2
+  ([#51](https://github.com/braingourmets/currency_select/pull/51))
 - Add Ruby 2.5.1 to the Travis build matrix
   ([#49](https://github.com/braingourmets/currency_select/pull/49))
 
@@ -40,8 +42,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Deprecated
 - Support for Rails < 5.0.0 will be removed in version 2.0.0.
 - Support for Rails < 4.2.0 will be removed in version 1.0.0.
-- Support for Ruby < 2.2.2 will be removed in version 2.0.0.
-- Support for Ruby < 2.0.0 will be removed in version 1.0.0.
+- Support for Ruby < 2.3.0 will be removed in version 1.0.0.
 
 ### Removed
 - Remove pre-Rails-4.0-specific code
@@ -56,7 +57,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
   ([#27](https://github.com/braingourmets/currency_select/pull/27))
 - Use ISO codes as select values, not the IDs
   ([#24](https://github.com/braingourmets/currency_select/pull/24))
-- Fix the the Gemfile
+- Fix the Gemfile
   ([#19](https://github.com/braingourmets/currency_select/pull/19))
 - Fix the order of name attribute and ID in the specs
   ([#18](https://github.com/braingourmets/currency_select/pull/18))

currency_select.gemspec

@@ -17,7 +17,8 @@ Gem::Specification.new do |s|
   s.files = %w(lib/currency_select.rb rails/init.rb CHANGELOG.md CODE_OF_CONDUCT.md currency_select.gemspec Gemfile LICENSE Rakefile README.md VERSION)
   s.extra_rdoc_files = %w(CHANGELOG.md LICENSE README.md)
 
-  s.add_runtime_dependency 'actionview'
+  s.add_runtime_dependency 'actionview', '>= 4.2.0', '< 6.0'
   s.add_runtime_dependency 'money'
+
   s.add_development_dependency 'rspec-rails'
 end

gemfiles/Gemfile.rails-5-2

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+source 'http://rubygems.org'
+
+gem 'rails', '~> 5.2.0'
+
+gemspec path: '../'