Bump CarrierWave to 1.3.0 and remove monkey patches

Full list of changes:
https://github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md

Gemfile

@@ -89,10 +89,7 @@ gem 'kaminari', '~> 1.0'
 gem 'hamlit', '~> 2.8.8'
 
 # Files attachments
-# Locked until https://github.com/carrierwaveuploader/carrierwave/pull/2332 and
-# https://github.com/carrierwaveuploader/carrierwave/pull/2356 are merged.
-# config/initializers/carrierwave_patch.rb can be removed once both changes are released.
-gem 'carrierwave', '= 1.2.3'
+gem 'carrierwave', '~> 1.3'
 gem 'mini_magick'
 
 # for backups

Gemfile.lock

@@ -108,7 +108,7 @@ GEM
     capybara-screenshot (1.0.14)
       capybara (>= 1.0, < 3)
       launchy
-    carrierwave (1.2.3)
+    carrierwave (1.3.0)
       activemodel (>= 4.0.0)
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
@@ -965,7 +965,7 @@ DEPENDENCIES
   bundler-audit (~> 0.5.0)
   capybara (~> 2.15)
   capybara-screenshot (~> 1.0.0)
-  carrierwave (= 1.2.3)
+  carrierwave (~> 1.3)
   charlock_holmes (~> 0.7.5)
   chronic (~> 0.10.2)
   chronic_duration (~> 0.10.6)

config/initializers/carrierwave_patch.rb

-# This monkey patches CarrierWave 1.2.3 to make Google Cloud Storage work with
-# extra query parameters:
-# https://github.com/carrierwaveuploader/carrierwave/pull/2332/files
-module CarrierWave
-  module Storage
-    class Fog < Abstract
-      class File
-        def authenticated_url(options = {})
-          if %w(AWS Google Rackspace OpenStack).include?(@uploader.fog_credentials[:provider])
-            # avoid a get by using local references
-            local_directory = connection.directories.new(key: @uploader.fog_directory)
-            local_file = local_directory.files.new(key: path)
-            expire_at = ::Fog::Time.now + @uploader.fog_authenticated_url_expiration
-            case @uploader.fog_credentials[:provider]
-            when 'AWS', 'Google'
-              local_file.url(expire_at, options)
-            when 'Rackspace'
-              connection.get_object_https_url(@uploader.fog_directory, path, expire_at, options)
-            when 'OpenStack'
-              connection.get_object_https_url(@uploader.fog_directory, path, expire_at)
-            else
-              local_file.url(expire_at)
-            end
-          end
-        end
-
-        # Fix for https://github.com/carrierwaveuploader/carrierwave/pull/2356
-        def acl_header
-          if fog_provider == 'AWS'
-            { 'x-amz-acl' => @uploader.fog_public ? 'public-read' : 'private' }
-          else
-            {}
-          end
-        end
-
-        def fog_provider
-          @uploader.fog_credentials[:provider].to_s
-        end
-      end
-    end
-  end
-end