fixes #1905

Gemfile

@@ -39,7 +39,7 @@ gem 'bcrypt-ruby', :require => "bcrypt"
 gem 'aws-s3', :require => "aws/s3"
 gem 'awesome_print'
 gem 'statistics2'
-gem 'ruby-imagespec', :require => "image_spec"
+gem 'ruby-imagespec', :require => "image_spec", :git => "https://github.com/r888888888/ruby-imagespec.git"
 
 group :production do
   gem 'unicorn', :platforms => :ruby

Gemfile.lock

@@ -23,6 +23,12 @@ GIT
   specs:
     ffaker (1.15.0)
 
+GIT
+  remote: https://github.com/r888888888/ruby-imagespec.git
+  revision: 41859ac5808cd64f2385082171ee2cc9f80bfcd1
+  specs:
+    ruby-imagespec (0.3.1)
+
 GEM
   remote: http://gemcutter.org/
   specs:
@@ -153,7 +159,6 @@ GEM
       json (~> 1.4)
     ref (1.0.4)
     rmagick (2.13.2)
-    ruby-imagespec (0.3.1)
     ruby-prof (0.13.0)
     sass (3.2.7)
     sass-rails (3.2.6)
@@ -237,7 +242,7 @@ DEPENDENCIES
   pry
   rails (= 3.2.12)
   rmagick
-  ruby-imagespec
+  ruby-imagespec!
   ruby-prof
   sanitize!
   sass-rails