Add addressable explicitly to Gemfile

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Gemfile

@@ -186,6 +186,7 @@ gem "gon", '~> 5.0.0'
 gem 'nprogress-rails'
 gem 'request_store'
 gem "virtus"
+gem 'addressable'
 group :development do
   gem "annotate", "~> 2.6.0.beta2"

Gemfile.lock

@@ -592,6 +592,7 @@ DEPENDENCIES
   RedCloth
   ace-rails-ap
   acts-as-taggable-on
+  addressable
   annotate (~> 2.6.0.beta2)
   asciidoctor (= 0.1.4)
   awesome_print