Merge branch 'devel' of github.com:kontron/redmine_oauth into devel

Author: picman

app/controllers/redmine_oauth_controller.rb

@@ -311,8 +311,8 @@ def try_to_login(email, info)
     end
     return if @admin.nil?
 
-    user.admin = @admin
-    Rails.logger.error(user.errors.full_messages.to_sentence) unless user.save
+    user = User.find(user.id)
+    Rails.logger.error(user.errors.full_messages.to_sentence) unless user.update(admin: @admin)
   end
 
   def oauth_client