Fix loading issues in rails_admin

Properly declare Admin module and explicitly list models to be
display in rails_admin

Gemfile.lock

@@ -196,6 +196,12 @@ GEM
       pry (>= 0.9.12)
       request_store (>= 1.0.5)
       thor (>= 0.18.1)
+    guard (2.6.1)
+      formatador (>= 0.2.4)
+      listen (~> 2.7)
+      lumberjack (~> 1.0)
+      pry (>= 0.9.12)
+      thor (>= 0.18.1)
     guard-cucumber (1.4.1)
       cucumber (>= 1.2.0)
       guard (>= 1.1.0)

app/controllers/admin/admin_controller.rb

@@ -1,7 +1,8 @@
-
-class Admin::AdminController < ApplicationController
+module Admin
+  class AdminController < ApplicationController
 
     before_filter :authenticate_user!
     before_filter :redirect_unless_admin
 
   end
+end

app/controllers/admin/users_controller.rb

@@ -1,5 +1,5 @@
-
-class Admin::UsersController < Admin::AdminController
+module Admin
+  class UsersController < AdminController
 
     def close_account
       u = User.find(close_account_params)
@@ -12,5 +12,5 @@ class Admin::UsersController < Admin::AdminController
     def close_account_params
       params.require(:id)
     end
-
+  end
 end

config/initializers/rails_admin.rb

@@ -40,10 +40,41 @@ if Rails.env.production?
 
     #  ==> Included models
     # Add all excluded models here:
-    config.excluded_models = [AspectMembership, AspectVisibility, ShareVisibility, ConversationVisibility,  NotificationActor, Notifications::AlsoCommented, Notifications::CommentOnPost, Notifications::Liked, Notifications::Mentioned, Notifications::PrivateMessage, Notifications::RequestAccepted, Notifications::Reshared, Notifications::StartedSharing, Reshare, Services::Facebook, Services::Tumblr, Services::Twitter, UserPreference, ActsAsTaggableOn::Tag]
+    #config.excluded_models = []
 
     # Add models here if you want to go 'whitelist mode':
-    # config.included_models = [AccountDeletion, ActsAsTaggableOn::Tag, Aspect, AspectMembership, AspectVisibility, Block, Comment, Contact, Conversation, ConversationVisibility, Invitation, InvitationCode, Like, Mention, Message, Notification, NotificationActor, Notifications::AlsoCommented, Notifications::CommentOnPost, Notifications::Liked, Notifications::Mentioned, Notifications::PrivateMessage, Notifications::RequestAccepted, Notifications::Reshared, Notifications::StartedSharing, OEmbedCache, Participation, Person, Photo, Pod, Post, Profile, Reshare, Service, ServiceUser, Services::Facebook, Services::Tumblr, Services::Twitter, ShareVisibility, StatusMessage, TagFollowing, User, UserPreference]
+    config.included_models = %w[
+        AccountDeletion
+        Aspect
+        AspectMembership
+        Block
+        Comment
+        Contact
+        Conversation
+        Invitation
+        InvitationCode
+        Like
+        Location
+        Mention
+        Message
+        OEmbedCache
+        OpenGraphCache
+        Person
+        Photo
+        Profile
+        Pod
+        Poll
+        PollAnswer
+        Post
+        Profile
+        Report
+        Reshare
+        Role
+        Service
+        StatusMessage
+        User
+        UserPreference
+    ]
 
     # Application wide tried label methods for models' instances
     # config.label_methods << :description # Default is [:name, :title]