New UI changes(tags, categories, authorisations, module index…)

To run:
  - ruby lib/remove_old_tags.rb DB_NAME
  - rake new_ui:migrate_tags
  - rake new_ui:migrate_categories['APP_KEY,''MODEL_NAME'] (check new_ui.rake for more details)

vendor/built_in_modules/personal_journal/app/controllers/panel/personal_journal/back_end/tags_controller.rb

@@ -1,10 +0,0 @@
-class Panel::PersonalJournal::BackEnd::TagsController < Admin::TagsController
-
-  include OrbitControllerLib::DivisionForDisable
-
-  def initialize
-    super
-    @app_title = 'personal_journal'
-  end
-  
-end

vendor/built_in_modules/personal_journal/app/models/personal_journal_tag.rb

@@ -1,7 +0,0 @@
-class PersonalJournalTag < Tag
-  has_and_belongs_to_many :writing_journals
-
-  def get_visible_links(sort = :title)
-    self.writing_journals.where(:is_hidden => false).desc(:is_top, sort)
-  end
-end

vendor/built_in_modules/personal_journal/app/models/writing_journal.rb

@@ -3,8 +3,9 @@ class WritingJournal
   include Mongoid::Timestamps
   include Mongoid::MultiParameterAttributes
 
+  include OrbitModel::LanguageRestrict
+  include OrbitModel::Status
   include OrbitTag::Taggable
-  taggable
 
   LANGUAGE_TYPES = [ "English", "Chinese" ]
 
@@ -79,20 +80,6 @@ class WritingJournal
     where( :is_hidden => false ).desc(:is_top, :created_at)
   end
 
-  def is_top?
-    self.is_top
-  end
-
-  def update_avliable_language
-    VALID_LOCALES.each  do |locale|
-      if (title_translations[locale].blank? rescue true)
-        self["available_for_#{locale}".to_sym] = false 
-      else
-        self["available_for_#{locale}".to_sym] = true
-      end
-    end
-  end
-
   def save_writing_journal_files
     self.writing_journal_files.each do |t|
       if t.should_destroy