Update carrierwave from 1.0.0 to 1.1.0.

Changelog: https://github.com/carrierwaveuploader/carrierwave/blob/f2f8569b1013f601fe7be4b3a616359acd27240d/CHANGELOG.md#110---2017-04-30

Adds support for Rails 5.1

Gemfile

@@ -86,7 +86,7 @@ gem 'kaminari', '~> 0.17.0'
 gem 'hamlit', '~> 2.6.1'
 # Files attachments
-gem 'carrierwave', '~> 1.0'
+gem 'carrierwave', '~> 1.1'
 # Drag and Drop UI
 gem 'dropzonejs-rails', '~> 0.7.1'

Gemfile.lock

@@ -108,7 +108,7 @@ GEM
     capybara-screenshot (1.0.14)
       capybara (>= 1.0, < 3)
       launchy
-    carrierwave (1.0.0)
+    carrierwave (1.1.0)
       activemodel (>= 4.0.0)
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
@@ -932,7 +932,7 @@ DEPENDENCIES
   bundler-audit (~> 0.5.0)
   capybara (~> 2.6.2)
   capybara-screenshot (~> 1.0.0)
-  carrierwave (~> 1.0)
+  carrierwave (~> 1.1)
   charlock_holmes (~> 0.7.3)
   chronic (~> 0.10.2)
   chronic_duration (~> 0.10.6)
@@ -1119,4 +1119,4 @@ DEPENDENCIES
   wikicloth (= 0.8.1)
 BUNDLED WITH
-   1.15.0
+   1.15.1