fixed various error messages

app/validators/email_format_validator.rb

@@ -10,7 +10,7 @@ class EmailFormatValidator < ActiveModel::EachValidator
     end
 
     if results.include?(false)
-      record.errors[attribute] << (options[:message] || "is not formatted properly: #{value}")
+      record.errors[attribute] << (options[:message] || "is not formatted properly")
     end
   end
 end