Save pre-hashed passwords without hashing again in wp_insert/update_user

[eugenrein]

I'm working on a wordpress project and needed a user importer plugin. I used your plugin and added an option to disable password hashing that is activated in wp_insert_user and wp_update_user by default. I saw some people complaining in the wordpress forum about this option/issue ... so I decided to share my code with you.

Edit: I've just realized there are some translation files. I've added a German translation to your plugin.