Add bot to createAndPromote.php groups

- Added 'bot', a default usergroup, to $permitRoles
- Changed 'administrator rights' to just 'rights',  since the script isn't just for administrator rights

Bug: 45160
Change-Id: I61348e2d45b90b65a117efcce65d7c581105e612
Merge "Add bot to createAndPromote.php groups"