change_username - removed from web management

No point in changing just the username since other details will have changed.
add_user - now has the ability to rename an existing user account.
new_primary_group - fixed to not show .V2 profiles.
new_group - fixed to create the group in --groupou="OU=Groups,OU=People"
add_user - missing recursive on scp
Web Management documentation links - changed links to new documentation pages.