Make common_mark the default text formatting for new installations (#34863).

git-svn-id: https://svn.redmine.org/redmine/trunk@21897 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/017_create_settings.rb

@@ -4,6 +4,10 @@ class CreateSettings < ActiveRecord::Migration[4.2]
       t.column "name", :string, :limit => 30, :default => "", :null => false
       t.column "value", :text
     end
+
+    # Persist text_formatting default setting for new installations
+    setting = Setting.new(:name => "text_formatting", :value => Setting.text_formatting)
+    setting.save!
   end
 
   def self.down