Fixed issue #602 - Admin user login via Oauth.

app/controllers/application_controller.rb

@@ -176,6 +176,7 @@ class ApplicationController < ActionController::Base
 
   def user_device_log(user, type)
     switched_from_user_id = ENV['SWITCHED_FROM_USER_ID'] || session[:switched_from_user_id]
+    return true if params[:controller] == 'init' # do no device logging on static inital page
     return true if switched_from_user_id
     return true if !user
     return true if !user.permissions?('user_preferences.device')