Corrections to WebUI 'UserType' status

(Membership info is is not yet fully implemented in the main code)
Add 'Customising' document
User membership updates (System & WebUI)

- sync account user flags and profile membership
- Update WebUI register and edit pages to suit.
- Create and/or ensure that a profile exists when updating a user
account (WebUI)
- Create a default profile when a new user is added (System)
User account updates

Create user command - create default profile
Allow "none" as an email address
Additional details in show user account command
Updated WebUI translations to add the "none" email