Make language inactive for new page as default

Set non default language page names not active by default or make it a setting.

https://processwire.com/talk/topic/11368-set-non-default-language-page-names-not-active-by-default/?tab=comments#comment-183945

Would be great to have this as a setting in the language module. 
Users tend to forget to deactivate the language and thus creating zombie language pages.
