Security Update on 2018-03-20 (#1597)

* Security Update on 2018-03-20

* Ordered gems, to please rubocop

Author: deppbot

Gemfile

@@ -155,4 +155,5 @@ end
 group :travis do
   gem 'platform-api'
 end
+gem 'loofah', '>= 2.2.1'
 gem 'rack-protection', '>= 2.0.1'

Gemfile.lock

@@ -300,7 +300,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.1.1)
+    loofah (2.2.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -595,6 +595,7 @@ DEPENDENCIES
   kaminari
   leaflet-rails
   letter_opener
+  loofah (>= 2.2.1)
   memcachier
   newrelic_rpm
   omniauth (~> 1.3)