merge from develop

app/helpers/repositories_helper.rb

@@ -121,7 +121,7 @@ module RepositoriesHelper
         next if s_content.starts_with?('http://') || s_content.starts_with?('https://') || s_content.starts_with?('mailto:') || s_content.blank?
         ext = File.extname(s_content)[1..-1]
 
-        if image_type?(ext) || download_type(ext) 
+        if (image_type?(ext) || download_type(ext)) && !s_content.to_s.end_with?('/')
           s_content = File.expand_path(s_content, file_path)
           s_content = s_content.split("#{Rails.root}/")[1]
           # content = content.gsub(s[0], "/#{s_content}")