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closes #7570

Gemfile

@@ -185,7 +185,7 @@ gem "typhoeus",           "1.1.2"
 
 gem "gon",                     "6.1.0"
 gem "hamlit",                  "2.8.4"
-gem "mobile_fu",               "1.4.0", require: "mobile-fu"
+gem "mobile-fu",               "1.4.0"
 gem "rails-timeago",           "2.16.0"
 gem "will_paginate",           "3.1.6"
 

Gemfile.lock

@@ -376,7 +376,7 @@ GEM
     mini_mime (0.1.4)
     mini_portile2 (2.2.0)
     minitest (5.10.3)
-    mobile_fu (1.4.0)
+    mobile-fu (1.4.0)
       rack-mobile-detect
       rails
     multi_json (1.12.1)
@@ -818,7 +818,7 @@ DEPENDENCIES
   markerb (= 1.1.0)
   mini_magick (= 4.8.0)
   minitest
-  mobile_fu (= 1.4.0)
+  mobile-fu (= 1.4.0)
   mysql2 (= 0.4.9)
   nokogiri (= 1.8.0)
   omniauth (= 1.6.1)