Merge pull request doorkeeper-gem#707 from levent/set-table-name

Set table_name before including Mixin

lib/doorkeeper/orm/active_record/access_grant.rb

@@ -1,7 +1,7 @@
 module Doorkeeper
   class AccessGrant < ActiveRecord::Base
-    include AccessGrantMixin
-
     self.table_name = "#{table_name_prefix}oauth_access_grants#{table_name_suffix}".to_sym
+
+    include AccessGrantMixin
   end
 end

lib/doorkeeper/orm/active_record/access_token.rb

@@ -1,9 +1,9 @@
 module Doorkeeper
   class AccessToken < ActiveRecord::Base
-    include AccessTokenMixin
-
     self.table_name = "#{table_name_prefix}oauth_access_tokens#{table_name_suffix}".to_sym
 
+    include AccessTokenMixin
+
     def self.delete_all_for(application_id, resource_owner)
       where(application_id: application_id,
             resource_owner_id: resource_owner.id).delete_all

lib/doorkeeper/orm/active_record/application.rb

@@ -1,9 +1,9 @@
 module Doorkeeper
   class Application < ActiveRecord::Base
-    include ApplicationMixin
-
     self.table_name = "#{table_name_prefix}oauth_applications#{table_name_suffix}".to_sym
 
+    include ApplicationMixin
+
     if ActiveRecord::VERSION::MAJOR >= 4
       has_many :authorized_tokens, -> { where(revoked_at: nil) }, class_name: 'AccessToken'
     else