Fix encoding when cloning tables

Closes SCI-1175.

app/models/protocol.rb

@@ -319,7 +319,7 @@ class Protocol < ActiveRecord::Base
 
       # Copy tables
       step.tables.each do |table|
-        table2 = Table.new(name: table.name, contents: table.contents)
+        table2 = Table.new(name: table.name, contents: table.contents.force_encoding('UTF-8'))
         table2.created_by = current_user
         table2.last_modified_by = current_user
         table2.team = dest.team

config/application.rb

@@ -20,6 +20,8 @@ module Scinote
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
 
+    config.encoding = 'utf-8'
+
     config.active_job.queue_adapter = :delayed_job
 
     # Do not swallow errors in after_commit/after_rollback callbacks.

config/environment.rb

@@ -1,6 +1,9 @@
 # Load the Rails application.
 require File.expand_path('../application', __FILE__)
 
+# Set the encoding
+Encoding.default_external = Encoding::UTF_8
+Encoding.default_internal = Encoding::UTF_8
+
 # Initialize the Rails application.
 Rails.application.initialize!
-